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83047425 = 3523729927
BaseRepresentation
bin1001111001100…
…11010000000001
312210021020122120
410330303100001
5132230004200
612123554453
72025614526
oct474632001
9183236576
1083047425
114297283a
122398ba29
13142894b6
14b05b14d
1574569a0
hex4f33401

83047425 has 24 divisors (see below), whose sum is σ = 141020736. Its totient is φ = 43093440.

The previous prime is 83047421. The next prime is 83047483. The reversal of 83047425 is 52474038.

It is not a de Polignac number, because 83047425 - 22 = 83047421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83047421) 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 23 ways as a sum of consecutive naturals, for example, 12189 + ... + 17738.

It is an arithmetic number, because the mean of its divisors is an integer number (5875864).

Almost surely, 283047425 is an apocalyptic number.

It is an amenable number.

83047425 is a deficient number, since it is larger than the sum of its proper divisors (57973311).

83047425 is a wasteful number, since it uses less digits than its factorization.

83047425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29977 (or 29972 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 83047425 is about 9113.0359924671. The cubic root of 83047425 is about 436.2901321306.

The spelling of 83047425 in words is "eighty-three million, forty-seven thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 37 75 111 185 555 925 2775 29927 89781 149635 448905 748175 1107299 2244525 3321897 5536495 16609485 27682475 83047425