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104897613 = 3196130169
BaseRepresentation
bin1100100000010…
…01110001001101
321022101100110210
412100021301031
5203323210423
614224153033
72412420642
oct620116115
9238340423
10104897613
1154237147
122b168779
1318969ac2
14dd07dc9
159320b93
hex6409c4d

104897613 has 16 divisors (see below), whose sum is σ = 149643200. Its totient is φ = 65162880.

The previous prime is 104897609. The next prime is 104897621. The reversal of 104897613 is 316798401.

It is not a de Polignac number, because 104897613 - 22 = 104897609 is a prime.

It is a super-2 number, since 2×1048976132 = 22007018426195538, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104897113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11608 + ... + 18561.

It is an arithmetic number, because the mean of its divisors is an integer number (9352700).

Almost surely, 2104897613 is an apocalyptic number.

It is an amenable number.

104897613 is a deficient number, since it is larger than the sum of its proper divisors (44745587).

104897613 is a wasteful number, since it uses less digits than its factorization.

104897613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30252.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 104897613 is about 10241.9535734156. The cubic root of 104897613 is about 471.6160051358.

The spelling of 104897613 in words is "one hundred four million, eight hundred ninety-seven thousand, six hundred thirteen".

Divisors: 1 3 19 57 61 183 1159 3477 30169 90507 573211 1719633 1840309 5520927 34965871 104897613