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132881797 = 325340849
BaseRepresentation
bin1111110101110…
…01110110000101
3100021001002120001
413322321312011
5233004204142
621104041301
73202322326
oct772716605
9307032501
10132881797
1169010074
1238603231
13216b73a9
141391044d
15b9ec5b7
hex7eb9d85

132881797 has 4 divisors (see below), whose sum is σ = 132925900. Its totient is φ = 132837696.

The previous prime is 132881783. The next prime is 132881813. The reversal of 132881797 is 797188231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 118396161 + 14485636 = 10881^2 + 3806^2 .

It is a cyclic number.

It is not a de Polignac number, because 132881797 - 27 = 132881669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132881597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17172 + ... + 23677.

It is an arithmetic number, because the mean of its divisors is an integer number (33231475).

Almost surely, 2132881797 is an apocalyptic number.

It is an amenable number.

132881797 is a deficient number, since it is larger than the sum of its proper divisors (44103).

132881797 is an equidigital number, since it uses as much as digits as its factorization.

132881797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44102.

The product of its digits is 169344, while the sum is 46.

The square root of 132881797 is about 11527.4367055300. The cubic root of 132881797 is about 510.2956084533.

The spelling of 132881797 in words is "one hundred thirty-two million, eight hundred eighty-one thousand, seven hundred ninety-seven".

Divisors: 1 3253 40849 132881797