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85354464 = 2531325261
BaseRepresentation
bin1010001011001…
…10011111100000
312221121110022110
411011212133200
5133322320324
612245235320
72054333556
oct505463740
9187543273
1085354464
11441a9088
1224702b40
13148b6600
14b49bbd6
157760329
hex51667e0

85354464 has 72 divisors (see below), whose sum is σ = 242662392. Its totient is φ = 26257920.

The previous prime is 85354459. The next prime is 85354481. The reversal of 85354464 is 46445358.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13594 + ... + 18854.

It is an arithmetic number, because the mean of its divisors is an integer number (3370311).

Almost surely, 285354464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85354464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121331196).

85354464 is an abundant number, since it is smaller than the sum of its proper divisors (157307928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85354464 is a wasteful number, since it uses less digits than its factorization.

85354464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5300 (or 5279 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The square root of 85354464 is about 9238.7479671220. The cubic root of 85354464 is about 440.2933030639.

The spelling of 85354464 in words is "eighty-five million, three hundred fifty-four thousand, four hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 169 208 312 338 416 507 624 676 1014 1248 1352 2028 2704 4056 5261 5408 8112 10522 15783 16224 21044 31566 42088 63132 68393 84176 126264 136786 168352 205179 252528 273572 410358 505056 547144 820716 889109 1094288 1641432 1778218 2188576 2667327 3282864 3556436 5334654 6565728 7112872 10669308 14225744 21338616 28451488 42677232 85354464