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82976928 = 2534320101
BaseRepresentation
bin1001111001000…
…10000010100000
312210010122221120
410330202002200
5132220230203
612122252240
72025202146
oct474420240
9183118846
1082976928
1142924881
1223957080
1314263398
14b03d596
157440b53
hex4f220a0

82976928 has 48 divisors (see below), whose sum is σ = 222890976. Its totient is φ = 27014400.

The previous prime is 82976923. The next prime is 82976941. The reversal of 82976928 is 82967928.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (82976921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5923 + ... + 14178.

It is an arithmetic number, because the mean of its divisors is an integer number (4643562).

Almost surely, 282976928 is an apocalyptic number.

It is an amenable number.

82976928 is an abundant number, since it is smaller than the sum of its proper divisors (139914048).

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

82976928 is a wasteful number, since it uses less digits than its factorization.

82976928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20157 (or 20149 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 82976928 is about 9109.1672506327. The cubic root of 82976928 is about 436.1666450486.

It can be divided in two parts, 8297 and 6928, that added together give a triangular number (15225 = T174).

The spelling of 82976928 in words is "eighty-two million, nine hundred seventy-six thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 43 48 86 96 129 172 258 344 516 688 1032 1376 2064 4128 20101 40202 60303 80404 120606 160808 241212 321616 482424 643232 864343 964848 1728686 1929696 2593029 3457372 5186058 6914744 10372116 13829488 20744232 27658976 41488464 82976928