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104155105 = 531765713
BaseRepresentation
bin1100011010101…
…00011111100001
321020222121221111
412031110133201
5203130430410
614200223321
72403206125
oct615243741
9236877844
10104155105
115387a2aa
122aa6ab41
1318769b52
14db93585
159225b8a
hex63547e1

104155105 has 8 divisors (see below), whose sum is σ = 125382312. Its totient is φ = 83059968.

The previous prime is 104155099. The next prime is 104155147. The reversal of 104155105 is 501551401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6718464 + 97436641 = 2592^2 + 9871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104155105 - 23 = 104155097 is a prime.

It is a super-2 number, since 2×1041551052 = 21696571795122050, which contains 22 as substring.

It is a Duffinian 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, 31272 + ... + 34441.

It is an arithmetic number, because the mean of its divisors is an integer number (15672789).

Almost surely, 2104155105 is an apocalyptic number.

It is an amenable number.

104155105 is a deficient number, since it is larger than the sum of its proper divisors (21227207).

104155105 is an equidigital number, since it uses as much as digits as its factorization.

104155105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66035.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 104155105 is about 10205.6408422009. The cubic root of 104155105 is about 470.5006058846.

The spelling of 104155105 in words is "one hundred four million, one hundred fifty-five thousand, one hundred five".

Divisors: 1 5 317 1585 65713 328565 20831021 104155105