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104813613 = 3299711681
BaseRepresentation
bin1100011111101…
…01010000101101
321022020002020200
412033311100231
5203313013423
614222304113
72411621022
oct617652055
9238202220
10104813613
115418a023
122b128039
131893a7b8
14dcc5549
159305d43
hex63f542d

104813613 has 12 divisors (see below), whose sum is σ = 151562268. Its totient is φ = 69799680.

The previous prime is 104813591. The next prime is 104813651. The reversal of 104813613 is 316318401.

104813613 is a `hidden beast` number, since 1 + 0 + 48 + 1 + 3 + 613 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 73307844 + 31505769 = 8562^2 + 5613^2 .

It is not a de Polignac number, because 104813613 - 25 = 104813581 is a prime.

It is a super-2 number, since 2×1048136132 = 21971786940227538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104803613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3133 + ... + 14813.

It is an arithmetic number, because the mean of its divisors is an integer number (12630189).

Almost surely, 2104813613 is an apocalyptic number.

It is an amenable number.

104813613 is a deficient number, since it is larger than the sum of its proper divisors (46748655).

104813613 is a wasteful number, since it uses less digits than its factorization.

104813613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12684 (or 12681 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 104813613 is about 10237.8519719715. The cubic root of 104813613 is about 471.4900844959.

The spelling of 104813613 in words is "one hundred four million, eight hundred thirteen thousand, six hundred thirteen".

Divisors: 1 3 9 997 2991 8973 11681 35043 105129 11645957 34937871 104813613