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83460564 = 223311163431
BaseRepresentation
bin1001111100110…
…00000111010100
312211001020101000
410332120013110
5132331214224
612140503300
72032255155
oct476300724
9184036330
1083460564
1143125180
1223b4ab30
13143a2565
14b12792c
1574d90c9
hex4f981d4

83460564 has 96 divisors (see below), whose sum is σ = 238049280. Its totient is φ = 25077600.

The previous prime is 83460547. The next prime is 83460581. The reversal of 83460564 is 46506438.

83460564 is a `hidden beast` number, since 8 + 34 + 60 + 564 = 666.

It is an interprime number because it is at equal distance from previous prime (83460547) and next prime (83460581).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 193429 + ... + 193859.

It is an arithmetic number, because the mean of its divisors is an integer number (2479680).

Almost surely, 283460564 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 83460564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119024640).

83460564 is an abundant number, since it is smaller than the sum of its proper divisors (154588716).

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

83460564 is a wasteful number, since it uses less digits than its factorization.

83460564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 83460564 is about 9135.6753444942. The cubic root of 83460564 is about 437.0124117842.

The spelling of 83460564 in words is "eighty-three million, four hundred sixty thousand, five hundred sixty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 99 108 132 163 198 297 326 396 431 489 594 652 862 978 1188 1293 1467 1724 1793 1956 2586 2934 3586 3879 4401 4741 5172 5379 5868 7172 7758 8802 9482 10758 11637 14223 15516 16137 17604 18964 21516 23274 28446 32274 42669 46548 48411 56892 64548 70253 85338 96822 128007 140506 170676 193644 210759 256014 281012 421518 512028 632277 772783 843036 1264554 1545566 1896831 2318349 2529108 3091132 3793662 4636698 6955047 7587324 9273396 13910094 20865141 27820188 41730282 83460564