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104121895 = 540075197
BaseRepresentation
bin1100011010011…
…00011000100111
321020220221101111
412031030120213
5203123400040
614155405451
72403010243
oct615143047
9236827344
10104121895
1153857359
122aa53887
13187579b7
14db85423
15921adea
hex634c627

104121895 has 8 divisors (see below), whose sum is σ = 125001504. Its totient is φ = 83260704.

The previous prime is 104121893. The next prime is 104121907. The reversal of 104121895 is 598121401.

It is a happy number.

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 104121895 - 21 = 104121893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104121893) 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 7 ways as a sum of consecutive naturals, for example, 17437 + ... + 22633.

It is an arithmetic number, because the mean of its divisors is an integer number (15625188).

Almost surely, 2104121895 is an apocalyptic number.

104121895 is a deficient number, since it is larger than the sum of its proper divisors (20879609).

104121895 is an equidigital number, since it uses as much as digits as its factorization.

104121895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9209.

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 104121895 is about 10204.0136711002. The cubic root of 104121895 is about 470.4505939781.

The spelling of 104121895 in words is "one hundred four million, one hundred twenty-one thousand, eight hundred ninety-five".

Divisors: 1 5 4007 5197 20035 25985 20824379 104121895