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83923144 = 2310490393
BaseRepresentation
bin1010000000010…
…01000011001000
312211220201220121
411000021003020
5132441020034
612154433024
72036222614
oct500110310
9184821817
1083923144
1143410778
1224132774
1314504c86
14b208344
15757b1b4
hex50090c8

83923144 has 8 divisors (see below), whose sum is σ = 157355910. Its totient is φ = 41961568.

The previous prime is 83923127. The next prime is 83923157. The reversal of 83923144 is 44132938.

It can be written as a sum of positive squares in only one way, i.e., 82628100 + 1295044 = 9090^2 + 1138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5245189 + ... + 5245204.

Almost surely, 283923144 is an apocalyptic number.

It is an amenable number.

83923144 is a deficient number, since it is larger than the sum of its proper divisors (73432766).

83923144 is a wasteful number, since it uses less digits than its factorization.

83923144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10490399 (or 10490395 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 83923144 is about 9160.9575918678. The cubic root of 83923144 is about 437.8183048497.

The spelling of 83923144 in words is "eighty-three million, nine hundred twenty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 10490393 20980786 41961572 83923144