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100485912 = 23317246289
BaseRepresentation
bin1011111110101…
…00101100011000
321000002012202110
411333110230120
5201211022122
613545432320
72330054562
oct577245430
9230065673
10100485912
11517a360a
122979b6a0
1317a83a27
14d4ba332
158c4d90c
hex5fd4b18

100485912 has 32 divisors (see below), whose sum is σ = 265993200. Its totient is φ = 31524864.

The previous prime is 100485907. The next prime is 100485923. The reversal of 100485912 is 219584001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 100485912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122737 + ... + 123552.

Almost surely, 2100485912 is an apocalyptic number.

100485912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

100485912 is an abundant number, since it is smaller than the sum of its proper divisors (165507288).

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

100485912 is a wasteful number, since it uses less digits than its factorization.

100485912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246315 (or 246311 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 100485912 is about 10024.2661576796. The cubic root of 100485912 is about 464.9094701782.

The spelling of 100485912 in words is "one hundred million, four hundred eighty-five thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 246289 492578 738867 985156 1477734 1970312 2955468 4186913 5910936 8373826 12560739 16747652 25121478 33495304 50242956 100485912