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83158068 = 2237989977
BaseRepresentation
bin1001111010011…
…10010000110100
312210110212102110
410331032100310
5132242024233
612130211020
72026555230
oct475162064
9183425373
1083158068
1142a38984
1223a23a70
13142c7976
14b0895c0
157479663
hex4f4e434

83158068 has 24 divisors (see below), whose sum is σ = 221755072. Its totient is φ = 23759424.

The previous prime is 83158063. The next prime is 83158069. The reversal of 83158068 is 86085138.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83158063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494905 + ... + 495072.

Almost surely, 283158068 is an apocalyptic number.

It is an amenable number.

83158068 is an abundant number, since it is smaller than the sum of its proper divisors (138597004).

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

83158068 is a wasteful number, since it uses less digits than its factorization.

83158068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989991 (or 989989 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 83158068 is about 9119.1045613043. The cubic root of 83158068 is about 436.4838006976.

The spelling of 83158068 in words is "eighty-three million, one hundred fifty-eight thousand, sixty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 989977 1979954 2969931 3959908 5939862 6929839 11879724 13859678 20789517 27719356 41579034 83158068