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83167428 = 2236930619
BaseRepresentation
bin1001111010100…
…00100011000100
312210111100021010
410331100203010
5132242324203
612130322220
72026624431
oct475204304
9183440233
1083167428
1142a44a13
1223a29370
13142cbcc6
14b08cb88
15747c303
hex4f508c4

83167428 has 12 divisors (see below), whose sum is σ = 194057360. Its totient is φ = 27722472.

The previous prime is 83167423. The next prime is 83167429. The reversal of 83167428 is 82476138.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (83167421) 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, 3465298 + ... + 3465321.

Almost surely, 283167428 is an apocalyptic number.

It is an amenable number.

83167428 is an abundant number, since it is smaller than the sum of its proper divisors (110889932).

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

83167428 is a wasteful number, since it uses less digits than its factorization.

83167428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6930626 (or 6930624 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 83167428 is about 9119.6177551474. The cubic root of 83167428 is about 436.5001764792.

The spelling of 83167428 in words is "eighty-three million, one hundred sixty-seven thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 6930619 13861238 20791857 27722476 41583714 83167428