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83028844 = 22111718583
BaseRepresentation
bin1001111001011…
…10101101101100
312210020022011101
410330232231230
5132223410334
612123332444
72025506413
oct474565554
9183208141
1083028844
114295a888
1223981124
1314280bc2
14b05447a
157451214
hex4f2eb6c

83028844 has 12 divisors (see below), whose sum is σ = 145438384. Its totient is φ = 41475024.

The previous prime is 83028823. The next prime is 83028853. The reversal of 83028844 is 44882038.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4824 + ... + 13759.

Almost surely, 283028844 is an apocalyptic number.

It is an amenable number.

83028844 is a deficient number, since it is larger than the sum of its proper divisors (62409540).

83028844 is a wasteful number, since it uses less digits than its factorization.

83028844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19704 (or 19702 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 83028844 is about 9112.0164617937. The cubic root of 83028844 is about 436.2575912396.

The spelling of 83028844 in words is "eighty-three million, twenty-eight thousand, eight hundred forty-four".

Divisors: 1 2 4 1117 2234 4468 18583 37166 74332 20757211 41514422 83028844