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8997132 = 223749761
BaseRepresentation
bin100010010100…
…100100001100
3121221002202010
4202110210030
54300402012
6520501220
7136321464
oct42244414
917832663
108997132
115095751
12301a810
131b30261
1412a2ba4
15bcac3c
hex89490c

8997132 has 12 divisors (see below), whose sum is σ = 20993336. Its totient is φ = 2999040.

The previous prime is 8997119. The next prime is 8997139. The reversal of 8997132 is 2317998.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8997139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374869 + ... + 374892.

Almost surely, 28997132 is an apocalyptic number.

It is an amenable number.

8997132 is an abundant number, since it is smaller than the sum of its proper divisors (11996204).

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

8997132 is a wasteful number, since it uses less digits than its factorization.

8997132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749768 (or 749766 counting only the distinct ones).

The product of its digits is 27216, while the sum is 39.

The square root of 8997132 is about 2999.5219619133. The cubic root of 8997132 is about 207.9862848452.

The spelling of 8997132 in words is "eight million, nine hundred ninety-seven thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 749761 1499522 2249283 2999044 4498566 8997132