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12900104 = 2372231033
BaseRepresentation
bin110001001101…
…011100001000
3220021101121122
4301031130020
511300300404
61140254412
7214435430
oct61153410
926241548
1012900104
117311048
1243a1408
1328988c9
1419db2c0
1511ec3be
hexc4d708

12900104 has 32 divisors (see below), whose sum is σ = 27793920. Its totient is φ = 5498496.

The previous prime is 12900103. The next prime is 12900131. The reversal of 12900104 is 40100921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12900103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11972 + ... + 13004.

It is an arithmetic number, because the mean of its divisors is an integer number (868560).

Almost surely, 212900104 is an apocalyptic number.

12900104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12900104 is an abundant number, since it is smaller than the sum of its proper divisors (14893816).

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

12900104 is a wasteful number, since it uses less digits than its factorization.

12900104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 12900104 is about 3591.6714771816. The cubic root of 12900104 is about 234.5296401448.

The spelling of 12900104 in words is "twelve million, nine hundred thousand, one hundred four".

Divisors: 1 2 4 7 8 14 28 56 223 446 892 1033 1561 1784 2066 3122 4132 6244 7231 8264 12488 14462 28924 57848 230359 460718 921436 1612513 1842872 3225026 6450052 12900104