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83260656 = 2433375209
BaseRepresentation
bin1001111011001…
…11010011110000
312210200002011000
410331213103300
5132303320111
612132322000
72030463303
oct475472360
9183602130
1083260656
1142aa8a66
1223a73300
131433257b
14b0b4b3a
157499c56
hex4f674f0

83260656 has 80 divisors (see below), whose sum is σ = 245495200. Its totient is φ = 26998272.

The previous prime is 83260651. The next prime is 83260673. The reversal of 83260656 is 65606238.

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

It is a self number, because there is not a number n which added to its sum of digits gives 83260656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83260651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13380 + ... + 18588.

It is an arithmetic number, because the mean of its divisors is an integer number (3068690).

Almost surely, 283260656 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 83260656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122747600).

83260656 is an abundant number, since it is smaller than the sum of its proper divisors (162234544).

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

83260656 is a wasteful number, since it uses less digits than its factorization.

83260656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263 (or 5251 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 83260656 is about 9124.7277219652. The cubic root of 83260656 is about 436.6632164390.

The spelling of 83260656 in words is "eighty-three million, two hundred sixty thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 37 48 54 72 74 108 111 144 148 216 222 296 333 432 444 592 666 888 999 1332 1776 1998 2664 3996 5209 5328 7992 10418 15627 15984 20836 31254 41672 46881 62508 83344 93762 125016 140643 187524 192733 250032 281286 375048 385466 562572 578199 750096 770932 1125144 1156398 1541864 1734597 2250288 2312796 3083728 3469194 4625592 5203791 6938388 9251184 10407582 13876776 20815164 27753552 41630328 83260656