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83975572 = 2244946757
BaseRepresentation
bin1010000000101…
…01110110010100
312212000101211101
411000111312110
5132444204242
612155515444
72036531512
oct500256624
9185011741
1083975572
11434470aa
1224158b84
1314522ab5
14b21d4b2
15758b9b7
hex5015d94

83975572 has 12 divisors (see below), whose sum is σ = 147287700. Its totient is φ = 41893376.

The previous prime is 83975543. The next prime is 83975579. The reversal of 83975572 is 27557938.

It can be written as a sum of positive squares in 2 ways, for example, as 66031876 + 17943696 = 8126^2 + 4236^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83975579) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21583 + ... + 25174.

It is an arithmetic number, because the mean of its divisors is an integer number (12273975).

Almost surely, 283975572 is an apocalyptic number.

It is an amenable number.

83975572 is a deficient number, since it is larger than the sum of its proper divisors (63312128).

83975572 is a wasteful number, since it uses less digits than its factorization.

83975572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47210 (or 47208 counting only the distinct ones).

The product of its digits is 529200, while the sum is 46.

The square root of 83975572 is about 9163.8186363546. The cubic root of 83975572 is about 437.9094563436.

The spelling of 83975572 in words is "eighty-three million, nine hundred seventy-five thousand, five hundred seventy-two".

Divisors: 1 2 4 449 898 1796 46757 93514 187028 20993893 41987786 83975572