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89638952 = 2313266301
BaseRepresentation
bin1010101011111…
…00100000101000
320020200010112012
411111330200220
5140421421302
612521135052
72135630024
oct525744050
9206603465
1089638952
1146665087
122602a488
1315756800
14bc95384
157d09a52
hex557c828

89638952 has 24 divisors (see below), whose sum is σ = 181998990. Its totient is φ = 41371200.

The previous prime is 89638933. The next prime is 89638957. The reversal of 89638952 is 25983698.

It can be written as a sum of positive squares in 3 ways, for example, as 25542916 + 64096036 = 5054^2 + 8006^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 89638952.

It is not an unprimeable number, because it can be changed into a prime (89638957) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31799 + ... + 34502.

Almost surely, 289638952 is an apocalyptic number.

It is an amenable number.

89638952 is an abundant number, since it is smaller than the sum of its proper divisors (92360038).

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

89638952 is a wasteful number, since it uses less digits than its factorization.

89638952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66333 (or 66316 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The square root of 89638952 is about 9467.7849574227. The cubic root of 89638952 is about 447.5404114437.

The spelling of 89638952 in words is "eighty-nine million, six hundred thirty-eight thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 66301 132602 265204 530408 861913 1723826 3447652 6895304 11204869 22409738 44819476 89638952