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132648631 = 383334607
BaseRepresentation
bin1111110100000…
…00111010110111
3100020121020201021
413322000322313
5232424224011
621055042011
73200331463
oct772007267
9306536637
10132648631
1168970975
1238510307
132163521b
141388d4a3
15b9a3471
hex7e80eb7

132648631 has 4 divisors (see below), whose sum is σ = 132687072. Its totient is φ = 132610192.

The previous prime is 132648629. The next prime is 132648641. The reversal of 132648631 is 136846231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136846231 = 925714783.

It is a cyclic number.

It is not a de Polignac number, because 132648631 - 21 = 132648629 is a prime.

It is a super-2 number, since 2×1326486312 = 35191318612348322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132648641) 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, 13471 + ... + 21136.

It is an arithmetic number, because the mean of its divisors is an integer number (33171768).

Almost surely, 2132648631 is an apocalyptic number.

132648631 is a deficient number, since it is larger than the sum of its proper divisors (38441).

132648631 is an equidigital number, since it uses as much as digits as its factorization.

132648631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38440.

The product of its digits is 20736, while the sum is 34.

The square root of 132648631 is about 11517.3187417906. The cubic root of 132648631 is about 509.9969639701.

The spelling of 132648631 in words is "one hundred thirty-two million, six hundred forty-eight thousand, six hundred thirty-one".

Divisors: 1 3833 34607 132648631