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83290938 = 2313881823
BaseRepresentation
bin1001111011011…
…10101100111010
312210201121200120
410331232230322
5132310302223
612133114110
72030650503
oct475565472
9183647616
1083290938
1143019795
1223a88936
13143432a3
14b0c1baa
1574a3be3
hex4f6eb3a

83290938 has 8 divisors (see below), whose sum is σ = 166581888. Its totient is φ = 27763644.

The previous prime is 83290919. The next prime is 83290943. The reversal of 83290938 is 83909238.

It is a sphenic number, since it is the product of 3 distinct primes.

83290938 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 83290938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6940906 + ... + 6940917.

It is an arithmetic number, because the mean of its divisors is an integer number (20822736).

Almost surely, 283290938 is an apocalyptic number.

83290938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

83290938 is a wasteful number, since it uses less digits than its factorization.

83290938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13881828.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 83290938 is about 9126.3869083006. The cubic root of 83290938 is about 436.7161483335.

The spelling of 83290938 in words is "eighty-three million, two hundred ninety thousand, nine hundred thirty-eight".

Divisors: 1 2 3 6 13881823 27763646 41645469 83290938