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79628896 = 2529531619
BaseRepresentation
bin1001011111100…
…00101001100000
312112211120022101
410233300221200
5130341111041
611522420144
71654556134
oct457605140
9175746271
1079628896
1140a48406
1222801654
13136604b9
14a80b3c4
156ecdb31
hex4bf0a60

79628896 has 48 divisors (see below), whose sum is σ = 165337200. Its totient is φ = 37692928.

The previous prime is 79628881. The next prime is 79628917. The reversal of 79628896 is 69882697.

It is a super-2 number, since 2×796288962 = 12681522156357632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48375 + ... + 49993.

It is an arithmetic number, because the mean of its divisors is an integer number (3444525).

Almost surely, 279628896 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 79628896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82668600).

79628896 is an abundant number, since it is smaller than the sum of its proper divisors (85708304).

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

79628896 is a wasteful number, since it uses less digits than its factorization.

79628896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711 (or 1703 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 55.

The square root of 79628896 is about 8923.5024513921. The cubic root of 79628896 is about 430.2196390087.

It can be divided in two parts, 796 and 28896, that added together give a palindrome (29692).

The spelling of 79628896 in words is "seventy-nine million, six hundred twenty-eight thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 29 32 53 58 106 116 212 232 424 464 848 928 1537 1619 1696 3074 3238 6148 6476 12296 12952 24592 25904 46951 49184 51808 85807 93902 171614 187804 343228 375608 686456 751216 1372912 1502432 2488403 2745824 4976806 9953612 19907224 39814448 79628896