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132889831 is a prime number
BaseRepresentation
bin1111110101110…
…11110011100111
3100021001111120121
413322323303213
5233004433311
621104142411
73202354624
oct772736347
9307044517
10132889831
1169016108
1238607a07
13216bac49
141391334b
15b9eeb71
hex7ebbce7

132889831 has 2 divisors, whose sum is σ = 132889832. Its totient is φ = 132889830.

The previous prime is 132889807. The next prime is 132889843. The reversal of 132889831 is 138988231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 132889831 - 27 = 132889703 is a prime.

It is a super-2 number, since 2×1328898312 = 35319414366417122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132889871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66444915 + 66444916.

It is an arithmetic number, because the mean of its divisors is an integer number (66444916).

Almost surely, 2132889831 is an apocalyptic number.

132889831 is a deficient number, since it is larger than the sum of its proper divisors (1).

132889831 is an equidigital number, since it uses as much as digits as its factorization.

132889831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 43.

The square root of 132889831 is about 11527.7851732239. The cubic root of 132889831 is about 510.3058923607.

The spelling of 132889831 in words is "one hundred thirty-two million, eight hundred eighty-nine thousand, eight hundred thirty-one".