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104937821 = 17311731151
BaseRepresentation
bin1100100000100…
…11100101011101
321022110101121222
412100103211131
5203331002241
614225103125
72412646112
oct620234535
9238411558
10104937821
115426437a
122b187aa5
13189821b1
14dd18909
15932ca4b
hex641395d

104937821 has 16 divisors (see below), whose sum is σ = 115458048. Its totient is φ = 94944000.

The previous prime is 104937803. The next prime is 104937823. The reversal of 104937821 is 128739401.

It is a cyclic number.

It is not a de Polignac number, because 104937821 - 226 = 37828957 is a prime.

It is a super-2 number, since 2×1049378212 = 22023892552456082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104937823) 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 15 ways as a sum of consecutive naturals, for example, 90596 + ... + 91746.

It is an arithmetic number, because the mean of its divisors is an integer number (7216128).

Almost surely, 2104937821 is an apocalyptic number.

It is an amenable number.

104937821 is a deficient number, since it is larger than the sum of its proper divisors (10520227).

104937821 is a wasteful number, since it uses less digits than its factorization.

104937821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 104937821 is about 10243.9162921219. The cubic root of 104937821 is about 471.6762553597.

The spelling of 104937821 in words is "one hundred four million, nine hundred thirty-seven thousand, eight hundred twenty-one".

Divisors: 1 17 31 173 527 1151 2941 5363 19567 35681 91171 199123 606577 3385091 6172813 104937821