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100790080 = 2652910861
BaseRepresentation
bin1100000000111…
…10111101000000
321000122122222221
412000132331000
5201300240310
614000140424
72332462426
oct600367500
9230578887
10100790080
1151991096
1229907714
1317b5c301
14d559116
158cadada
hex601ef40

100790080 has 56 divisors (see below), whose sum is σ = 248305320. Its totient is φ = 38922240.

The previous prime is 100790077. The next prime is 100790087. The reversal of 100790080 is 80097001.

It can be written as a sum of positive squares in 4 ways, for example, as 7706176 + 93083904 = 2776^2 + 9648^2 .

It is a super-3 number, since 3×1007900803 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100790087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3850 + ... + 14710.

Almost surely, 2100790080 is an apocalyptic number.

100790080 is a gapful number since it is divisible by the number (10) 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 100790080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124152660).

100790080 is an abundant number, since it is smaller than the sum of its proper divisors (147515240).

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

100790080 is a wasteful number, since it uses less digits than its factorization.

100790080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10907 (or 10897 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 100790080 is about 10039.4262784285. The cubic root of 100790080 is about 465.3780869173.

The spelling of 100790080 in words is "one hundred million, seven hundred ninety thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 29 32 40 58 64 80 116 145 160 232 290 320 464 580 928 1160 1856 2320 4640 9280 10861 21722 43444 54305 86888 108610 173776 217220 314969 347552 434440 629938 695104 868880 1259876 1574845 1737760 2519752 3149690 3475520 5039504 6299380 10079008 12598760 20158016 25197520 50395040 100790080