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104931228 = 2238744269
BaseRepresentation
bin1100100000100…
…01111110011100
321022110001120210
412100101332130
5203330244403
614225012420
72412620643
oct620217634
9238401523
10104931228
115425a426
122b184110
131897c1ac
14dd1635a
15932ab03
hex6411f9c

104931228 has 12 divisors (see below), whose sum is σ = 244839560. Its totient is φ = 34977072.

The previous prime is 104931227. The next prime is 104931257. The reversal of 104931228 is 822139401.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1049312282 = 22021125219175968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104931195 and 104931204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104931227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4372123 + ... + 4372146.

Almost surely, 2104931228 is an apocalyptic number.

It is an amenable number.

104931228 is an abundant number, since it is smaller than the sum of its proper divisors (139908332).

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

104931228 is a wasteful number, since it uses less digits than its factorization.

104931228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8744276 (or 8744274 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 104931228 is about 10243.5944863119. The cubic root of 104931228 is about 471.6663770442. Note that the first 3 decimals are identical.

The spelling of 104931228 in words is "one hundred four million, nine hundred thirty-one thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 8744269 17488538 26232807 34977076 52465614 104931228