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100201248 = 25327232161
BaseRepresentation
bin1011111100011…
…11001100100000
320222112202021100
411332033030200
5201122414443
613535354400
72324460630
oct576171440
9228482240
10100201248
1151619754
1229682a00
13179b42a4
14d4446c0
158be43d3
hex5f8f320

100201248 has 144 divisors (see below), whose sum is σ = 339970176. Its totient is φ = 27371520.

The previous prime is 100201237. The next prime is 100201249. The reversal of 100201248 is 842102001.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 100201248.

It is not an unprimeable number, because it can be changed into a prime (100201249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45288 + ... + 47448.

It is an arithmetic number, because the mean of its divisors is an integer number (2360904).

Almost surely, 2100201248 is an apocalyptic number.

100201248 is a gapful number since it is divisible by the number (18) 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 100201248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169985088).

100201248 is an abundant number, since it is smaller than the sum of its proper divisors (239768928).

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

100201248 is a wasteful number, since it uses less digits than its factorization.

100201248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207 (or 2196 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 100201248 is about 10010.0573424931. The cubic root of 100201248 is about 464.4700448756.

Adding to 100201248 its reverse (842102001), we get a palindrome (942303249).

The spelling of 100201248 in words is "one hundred million, two hundred one thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 28 32 36 42 46 48 56 63 69 72 84 92 96 112 126 138 144 161 168 184 207 224 252 276 288 322 336 368 414 483 504 552 644 672 736 828 966 1008 1104 1288 1449 1656 1932 2016 2161 2208 2576 2898 3312 3864 4322 5152 5796 6483 6624 7728 8644 11592 12966 15127 15456 17288 19449 23184 25932 30254 34576 38898 45381 46368 49703 51864 60508 69152 77796 90762 99406 103728 121016 136143 149109 155592 181524 198812 207456 242032 272286 298218 311184 347921 363048 397624 447327 484064 544572 596436 622368 695842 726096 795248 894654 1043763 1089144 1192872 1391684 1452192 1590496 1789308 2087526 2178288 2385744 2783368 3131289 3578616 4175052 4356576 4771488 5566736 6262578 7157232 8350104 11133472 12525156 14314464 16700208 25050312 33400416 50100624 100201248