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82589052 = 223713531427
BaseRepresentation
bin1001110110000…
…11010101111100
312202101221212210
410323003111330
5132120322202
612110100420
72021665260
oct473032574
9182357783
1082589052
114268a417
12237aa710
1314158980
14ad7c0a0
1573b5c6c
hex4ec357c

82589052 has 96 divisors (see below), whose sum is σ = 241823232. Its totient is φ = 21355776.

The previous prime is 82589051. The next prime is 82589057. The reversal of 82589052 is 25098528.

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

It is a self number, because there is not a number n which added to its sum of digits gives 82589052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82589051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57163 + ... + 58589.

It is an arithmetic number, because the mean of its divisors is an integer number (2518992).

Almost surely, 282589052 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 82589052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120911616).

82589052 is an abundant number, since it is smaller than the sum of its proper divisors (159234180).

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

82589052 is a wasteful number, since it uses less digits than its factorization.

82589052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 82589052 is about 9087.8518913988. The cubic root of 82589052 is about 435.4859623855.

The spelling of 82589052 in words is "eighty-two million, five hundred eighty-nine thousand, fifty-two".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 53 78 84 91 106 156 159 182 212 273 318 364 371 546 636 689 742 1092 1113 1378 1427 1484 2067 2226 2756 2854 4134 4281 4452 4823 5708 8268 8562 9646 9989 14469 17124 18551 19292 19978 28938 29967 37102 39956 55653 57876 59934 74204 75631 111306 119868 129857 151262 222612 226893 259714 302524 389571 453786 519428 529417 779142 907572 983203 1058834 1558284 1588251 1966406 2117668 2949609 3176502 3932812 5899218 6353004 6882421 11798436 13764842 20647263 27529684 41294526 82589052