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104861289 = 3132206827
BaseRepresentation
bin1100100000000…
…00111001101001
321022022111122110
412100000321221
5203321030124
614223312533
72412210021
oct620007151
9238274573
10104861289
1154211925
122b14b749
1318956400
14dcd8a81
159315029
hex6400e69

104861289 has 12 divisors (see below), whose sum is σ = 151398096. Its totient is φ = 64529712.

The previous prime is 104861261. The next prime is 104861297. The reversal of 104861289 is 982168401.

It is not a de Polignac number, because 104861289 - 213 = 104853097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (104861299) 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, 102907 + ... + 103920.

It is an arithmetic number, because the mean of its divisors is an integer number (12616508).

Almost surely, 2104861289 is an apocalyptic number.

It is an amenable number.

104861289 is a deficient number, since it is larger than the sum of its proper divisors (46536807).

104861289 is a wasteful number, since it uses less digits than its factorization.

104861289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206856 (or 206843 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 104861289 is about 10240.1801253689. The cubic root of 104861289 is about 471.5615617059.

The spelling of 104861289 in words is "one hundred four million, eight hundred sixty-one thousand, two hundred eighty-nine".

Divisors: 1 3 13 39 169 507 206827 620481 2688751 8066253 34953763 104861289