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89672265 = 345221413
BaseRepresentation
bin1010101100001…
…00101001001001
320020201211020000
411112010221021
5140424003030
612521553213
72136126114
oct526045111
9206654200
1089672265
1146688111
1226045809
1315768a17
14bca357b
157d14860
hex5584a49

89672265 has 20 divisors (see below), whose sum is σ = 160746564. Its totient is φ = 47824992.

The previous prime is 89672249. The next prime is 89672279. The reversal of 89672265 is 56227698.

It can be written as a sum of positive squares in 2 ways, for example, as 30735936 + 58936329 = 5544^2 + 7677^2 .

It is not a de Polignac number, because 89672265 - 24 = 89672249 is a prime.

It is a super-2 number, since 2×896722652 = 16082230220460450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 89672265.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 110302 + ... + 111111.

Almost surely, 289672265 is an apocalyptic number.

It is an amenable number.

89672265 is a deficient number, since it is larger than the sum of its proper divisors (71074299).

89672265 is a wasteful number, since it uses less digits than its factorization.

89672265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221430 (or 221421 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 89672265 is about 9469.5440756142. The cubic root of 89672265 is about 447.5958451842.

The spelling of 89672265 in words is "eighty-nine million, six hundred seventy-two thousand, two hundred sixty-five".

Divisors: 1 3 5 9 15 27 45 81 135 405 221413 664239 1107065 1992717 3321195 5978151 9963585 17934453 29890755 89672265