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82948812 = 22312775413
BaseRepresentation
bin1001111000110…
…11001011001100
312210002020101020
410330123023030
5132213330222
612121514140
72025024162
oct474331314
9183066336
1082948812
1142905741
1223942950
131425364b
14b033232
15743765c
hex4f1b2cc

82948812 has 24 divisors (see below), whose sum is σ = 193734576. Its totient is φ = 27622848.

The previous prime is 82948799. The next prime is 82948823. The reversal of 82948812 is 21884928.

It is a super-2 number, since 2×829488122 = 13761010824422688, which contains 22 as substring.

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, 12618 + ... + 18030.

It is an arithmetic number, because the mean of its divisors is an integer number (8072274).

Almost surely, 282948812 is an apocalyptic number.

It is an amenable number.

82948812 is an abundant number, since it is smaller than the sum of its proper divisors (110785764).

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

82948812 is a wasteful number, since it uses less digits than its factorization.

82948812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6697 (or 6695 counting only the distinct ones).

The product of its digits is 73728, while the sum is 42.

The square root of 82948812 is about 9107.6238393996. The cubic root of 82948812 is about 436.1173757435.

The spelling of 82948812 in words is "eighty-two million, nine hundred forty-eight thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 1277 2554 3831 5108 5413 7662 10826 15324 16239 21652 32478 64956 6912401 13824802 20737203 27649604 41474406 82948812