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82812954 = 23711317449
BaseRepresentation
bin1001110111110…
…10000000011010
312202211100000110
410323322000122
5132200003304
612114545150
72023620120
oct473720032
9182740013
1082812954
1142822664
12238981b6
1314206863
14add9910
15740c289
hex4efa01a

82812954 has 32 divisors (see below), whose sum is σ = 190972800. Its totient is φ = 23450112.

The previous prime is 82812937. The next prime is 82812959. The reversal of 82812954 is 45921828.

It is a super-2 number, since 2×828129542 = 13715970700412232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82812959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3979 + ... + 13470.

It is an arithmetic number, because the mean of its divisors is an integer number (5967900).

Almost surely, 282812954 is an apocalyptic number.

82812954 is an abundant number, since it is smaller than the sum of its proper divisors (108159846).

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

82812954 is a wasteful number, since it uses less digits than its factorization.

82812954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17574.

The product of its digits is 46080, while the sum is 39.

The square root of 82812954 is about 9100.1623062449. The cubic root of 82812954 is about 435.8791468482.

The spelling of 82812954 in words is "eighty-two million, eight hundred twelve thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 113 226 339 678 791 1582 2373 4746 17449 34898 52347 104694 122143 244286 366429 732858 1971737 3943474 5915211 11830422 13802159 27604318 41406477 82812954