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100490856 = 23317324203
BaseRepresentation
bin1011111110101…
…01111001101000
321000002110112120
411333111321220
5201211201411
613545511240
72330105154
oct577257150
9230073476
10100490856
11517a72a4
12297a2520
1317a8605b
14d4bc064
158c50106
hex5fd5e68

100490856 has 32 divisors (see below), whose sum is σ = 252689760. Its totient is φ = 33301952.

The previous prime is 100490827. The next prime is 100490881. The reversal of 100490856 is 658094001.

It is a super-2 number, since 2×1004908562 = 20196824279225472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7950 + ... + 16253.

It is an arithmetic number, because the mean of its divisors is an integer number (7896555).

Almost surely, 2100490856 is an apocalyptic number.

It is an amenable number.

100490856 is an abundant number, since it is smaller than the sum of its proper divisors (152198904).

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

100490856 is a wasteful number, since it uses less digits than its factorization.

100490856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24385 (or 24381 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 100490856 is about 10024.5127562391. The cubic root of 100490856 is about 464.9170947120.

The spelling of 100490856 in words is "one hundred million, four hundred ninety thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 24 173 346 519 692 1038 1384 2076 4152 24203 48406 72609 96812 145218 193624 290436 580872 4187119 8374238 12561357 16748476 25122714 33496952 50245428 100490856