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83136706 = 2375572017
BaseRepresentation
bin1001111010010…
…01000011000010
312210102210010021
410331021003002
5132240333311
612125524054
72026436032
oct475110302
9183383107
1083136706
1142a23924
1223a1362a
13142bb023
14b0818c2
157473171
hex4f490c2

83136706 has 16 divisors (see below), whose sum is σ = 128369016. Its totient is φ = 40352256.

The previous prime is 83136659. The next prime is 83136709. The reversal of 83136706 is 60763138.

It can be written as a sum of positive squares in 4 ways, for example, as 79299025 + 3837681 = 8905^2 + 1959^2 .

It is not an unprimeable number, because it can be changed into a prime (83136709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40210 + ... + 42226.

Almost surely, 283136706 is an apocalyptic number.

83136706 is a deficient number, since it is larger than the sum of its proper divisors (45232310).

83136706 is a wasteful number, since it uses less digits than its factorization.

83136706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 83136706 is about 9117.9332087924. The cubic root of 83136706 is about 436.4464222218.

The spelling of 83136706 in words is "eighty-three million, one hundred thirty-six thousand, seven hundred six".

Divisors: 1 2 37 74 557 1114 2017 4034 20609 41218 74629 149258 1123469 2246938 41568353 83136706