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82944072 = 23322350087
BaseRepresentation
bin1001111000110…
…10000001001000
312210001222212200
410330122001020
5132213202242
612121440200
72025004311
oct474320110
9183058780
1082944072
1142902122
1223940060
1314251443
14b031608
15743604c
hex4f1a048

82944072 has 48 divisors (see below), whose sum is σ = 234411840. Its totient is φ = 26445408.

The previous prime is 82944053. The next prime is 82944073. The reversal of 82944072 is 27044928.

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

It is not an unprimeable number, because it can be changed into a prime (82944073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23388 + ... + 26699.

It is an arithmetic number, because the mean of its divisors is an integer number (4883580).

Almost surely, 282944072 is an apocalyptic number.

It is an amenable number.

82944072 is an abundant number, since it is smaller than the sum of its proper divisors (151467768).

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

82944072 is a wasteful number, since it uses less digits than its factorization.

82944072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50122 (or 50115 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 82944072 is about 9107.3636141311. The cubic root of 82944072 is about 436.1090684686.

The spelling of 82944072 in words is "eighty-two million, nine hundred forty-four thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 36 46 69 72 92 138 184 207 276 414 552 828 1656 50087 100174 150261 200348 300522 400696 450783 601044 901566 1152001 1202088 1803132 2304002 3456003 3606264 4608004 6912006 9216008 10368009 13824012 20736018 27648024 41472036 82944072