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83576164 = 22726532
BaseRepresentation
bin1001111101101…
…00010101100100
312211021002221111
410332310111210
5132343414124
612143154404
72033246200
oct476642544
9184232844
1083576164
11431a4011
1223ba5a04
1314413069
14b157b00
15750d494
hex4fb4564

83576164 has 27 divisors (see below), whose sum is σ = 170398137. Its totient is φ = 35763504.

The previous prime is 83576153. The next prime is 83576183. The reversal of 83576164 is 46167538.

It is a happy number.

The square root of 83576164 is 9142.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19448100 + 64128064 = 4410^2 + 8008^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 127662 + ... + 128314.

Almost surely, 283576164 is an apocalyptic number.

83576164 is the 9142-nd square number.

It is an amenable number.

83576164 is an abundant number, since it is smaller than the sum of its proper divisors (86821973).

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

83576164 is an equidigital number, since it uses as much as digits as its factorization.

83576164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 662 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The cubic root of 83576164 is about 437.2140851898.

The spelling of 83576164 in words is "eighty-three million, five hundred seventy-six thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 49 98 196 653 1306 2612 4571 9142 18284 31997 63994 127988 426409 852818 1705636 2984863 5969726 11939452 20894041 41788082 83576164