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79967952 = 2433375003
BaseRepresentation
bin1001100010000…
…11011011010000
312120110210102000
410301003123100
5130432433302
611533554000
71660500501
oct461033320
9176423360
1079967952
114115a119
1222945900
131374b91c
14a898ba8
15704931c
hex4c436d0

79967952 has 80 divisors (see below), whose sum is σ = 235788480. Its totient is φ = 25930368.

The previous prime is 79967947. The next prime is 79967969. The reversal of 79967952 is 25976997.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13483 + ... + 18485.

It is an arithmetic number, because the mean of its divisors is an integer number (2947356).

Almost surely, 279967952 is an apocalyptic number.

79967952 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79967952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117894240).

79967952 is an abundant number, since it is smaller than the sum of its proper divisors (155820528).

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

79967952 is a wasteful number, since it uses less digits than its factorization.

79967952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057 (or 5045 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 54.

The square root of 79967952 is about 8942.4801928771. The cubic root of 79967952 is about 430.8293925523.

The spelling of 79967952 in words is "seventy-nine million, nine hundred sixty-seven thousand, nine hundred fifty-two".

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 5003 5328 7992 10006 15009 15984 20012 30018 40024 45027 60036 80048 90054 120072 135081 180108 185111 240144 270162 360216 370222 540324 555333 720432 740444 1080648 1110666 1480888 1665999 2161296 2221332 2961776 3331998 4442664 4997997 6663996 8885328 9995994 13327992 19991988 26655984 39983976 79967952