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100803072 = 293293173
BaseRepresentation
bin1100000001000…
…10001000000000
321000200022211010
412000202020000
5201301144242
614000320520
72332545336
oct600421000
9230608733
10100803072
115199a927
1229913140
1317b651b6
14d55db56
158cb289c
hex6022200

100803072 has 160 divisors (see below), whose sum is σ = 290695680. Its totient is φ = 30965760.

The previous prime is 100803067. The next prime is 100803077. The reversal of 100803072 is 270308001.

It is an interprime number because it is at equal distance from previous prime (100803067) and next prime (100803077).

It is a super-2 number, since 2×1008030722 = 20322518649274368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100803077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380828 + ... + 1380900.

It is an arithmetic number, because the mean of its divisors is an integer number (1816848).

Almost surely, 2100803072 is an apocalyptic number.

100803072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100803072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145347840).

100803072 is an abundant number, since it is smaller than the sum of its proper divisors (189892608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100803072 is an equidigital number, since it uses as much as digits as its factorization.

100803072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 100803072 is about 10040.0733065053. The cubic root of 100803072 is about 465.3980820476.

The spelling of 100803072 in words is "one hundred million, eight hundred three thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 29 31 32 48 58 62 64 73 87 93 96 116 124 128 146 174 186 192 219 232 248 256 292 348 372 384 438 464 496 512 584 696 744 768 876 899 928 992 1168 1392 1488 1536 1752 1798 1856 1984 2117 2263 2336 2697 2784 2976 3504 3596 3712 3968 4234 4526 4672 5394 5568 5952 6351 6789 7008 7192 7424 7936 8468 9052 9344 10788 11136 11904 12702 13578 14016 14384 14848 15872 16936 18104 18688 21576 22272 23808 25404 27156 28032 28768 33872 36208 37376 43152 44544 47616 50808 54312 56064 57536 65627 67744 72416 86304 101616 108624 112128 115072 131254 135488 144832 172608 196881 203232 217248 230144 262508 270976 289664 345216 393762 406464 434496 460288 525016 541952 579328 690432 787524 812928 868992 1050032 1083904 1158656 1380864 1575048 1625856 1737984 2100064 3150096 3251712 3475968 4200128 6300192 8400256 12600384 16800512 25200768 33601024 50401536 100803072