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83706068 = 2250941113
BaseRepresentation
bin1001111110101…
…00000011010100
312211111201010202
410333110003110
5132412043233
612150040032
72034330005
oct477240324
9184451122
1083706068
1143282676
1224049018
131445a224
14b18d1ac
157536be8
hex4fd40d4

83706068 has 12 divisors (see below), whose sum is σ = 146776980. Its totient is φ = 41769792.

The previous prime is 83706067. The next prime is 83706071. The reversal of 83706068 is 86060738.

It can be written as a sum of positive squares in 2 ways, for example, as 67043344 + 16662724 = 8188^2 + 4082^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83706061) 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 3 ways as a sum of consecutive naturals, for example, 18521 + ... + 22592.

It is an arithmetic number, because the mean of its divisors is an integer number (12231415).

Almost surely, 283706068 is an apocalyptic number.

It is an amenable number.

83706068 is a deficient number, since it is larger than the sum of its proper divisors (63070912).

83706068 is a wasteful number, since it uses less digits than its factorization.

83706068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41626 (or 41624 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 83706068 is about 9149.1020324401. The cubic root of 83706068 is about 437.4404912801.

The spelling of 83706068 in words is "eighty-three million, seven hundred six thousand, sixty-eight".

Divisors: 1 2 4 509 1018 2036 41113 82226 164452 20926517 41853034 83706068