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104554131 = 31117219577
BaseRepresentation
bin1100011101101…
…01111010010011
321021201220022020
412032311322103
5203231213011
614212542523
72406460353
oct616657223
9237656266
10104554131
1154022080
122b021a43
1318879666
14dc58b63
1592a4006
hex63b5e93

104554131 has 48 divisors (see below), whose sum is σ = 170348160. Its totient is φ = 56401920.

The previous prime is 104554117. The next prime is 104554133. The reversal of 104554131 is 131455401.

104554131 = T290 + T291 + ... + T866.

It is a happy number.

It is not a de Polignac number, because 104554131 - 210 = 104553107 is a prime.

It is a super-2 number, since 2×1045541312 = 21863132618330322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104554133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180915 + ... + 181491.

It is an arithmetic number, because the mean of its divisors is an integer number (3548920).

Almost surely, 2104554131 is an apocalyptic number.

104554131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104554131 is a deficient number, since it is larger than the sum of its proper divisors (65794029).

104554131 is a wasteful number, since it uses less digits than its factorization.

104554131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 104554131 is about 10225.1714411055. The cubic root of 104554131 is about 471.1006812324.

The spelling of 104554131 in words is "one hundred four million, five hundred fifty-four thousand, one hundred thirty-one".

Divisors: 1 3 11 17 19 33 51 57 187 209 289 323 561 577 627 867 969 1731 3179 3553 5491 6347 9537 9809 10659 10963 16473 19041 29427 32889 60401 107899 120593 166753 181203 186371 323697 361779 500259 559113 1834283 2050081 3168307 5502849 6150243 9504921 34851377 104554131