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89292645 = 3351383613
BaseRepresentation
bin1010101001001…
…11111101100101
320020000112111000
411110213331211
5140324331040
612505503513
72132655261
oct524477545
9206015430
1089292645
1146448982
1225aa1b99
1315664cb0
14bc050a1
157c8c130
hex5527f65

89292645 has 64 divisors (see below), whose sum is σ = 173295360. Its totient is φ = 43358976.

The previous prime is 89292589. The next prime is 89292649. The reversal of 89292645 is 54629298.

It is not a de Polignac number, because 89292645 - 213 = 89284453 is a prime.

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 89292645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89292649) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 145359 + ... + 145971.

It is an arithmetic number, because the mean of its divisors is an integer number (2707740).

Almost surely, 289292645 is an apocalyptic number.

It is an amenable number.

89292645 is a deficient number, since it is larger than the sum of its proper divisors (84002715).

89292645 is a wasteful number, since it uses less digits than its factorization.

89292645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 717 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 89292645 is about 9449.4785570422. The cubic root of 89292645 is about 446.9633319771.

The spelling of 89292645 in words is "eighty-nine million, two hundred ninety-two thousand, six hundred forty-five".

Divisors: 1 3 5 9 13 15 27 39 45 65 83 117 135 195 249 351 415 585 613 747 1079 1245 1755 1839 2241 3065 3237 3735 5395 5517 7969 9195 9711 11205 16185 16551 23907 27585 29133 39845 48555 50879 71721 82755 119535 145665 152637 215163 254395 358605 457911 661427 763185 1075815 1373733 1984281 2289555 3307135 5952843 6868665 9921405 17858529 29764215 89292645