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89771132 = 22112040253
BaseRepresentation
bin1010101100111…
…00110001111100
320020220211211202
411112130301330
5140440134012
612524035032
72140020263
oct526346174
9206824752
1089771132
1146745420
1226092a78
13157a1a19
14bccb5da
157d33cc2
hex559cc7c

89771132 has 12 divisors (see below), whose sum is σ = 171381336. Its totient is φ = 40805040.

The previous prime is 89771131. The next prime is 89771137. The reversal of 89771132 is 23117798.

It is a super-2 number, since 2×897711322 = 16117712281122848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89771131) 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, 1020083 + ... + 1020170.

It is an arithmetic number, because the mean of its divisors is an integer number (14281778).

Almost surely, 289771132 is an apocalyptic number.

It is an amenable number.

89771132 is a deficient number, since it is larger than the sum of its proper divisors (81610204).

89771132 is a wasteful number, since it uses less digits than its factorization.

89771132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040268 (or 2040266 counting only the distinct ones).

The product of its digits is 21168, while the sum is 38.

The square root of 89771132 is about 9474.7628994081. The cubic root of 89771132 is about 447.7602817766.

The spelling of 89771132 in words is "eighty-nine million, seven hundred seventy-one thousand, one hundred thirty-two".

Divisors: 1 2 4 11 22 44 2040253 4080506 8161012 22442783 44885566 89771132