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132447313 = 971136403
BaseRepresentation
bin1111110010011…
…11110001010001
3100020020000120001
413321033301101
5232401303223
621050450001
73165532525
oct771176121
9306200501
10132447313
1168843699
1238433901
13215946bb
1413839d85
15b9639ad
hex7e4fc51

132447313 has 4 divisors (see below), whose sum is σ = 132584688. Its totient is φ = 132309940.

The previous prime is 132447307. The next prime is 132447319. The reversal of 132447313 is 313744231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 313744231 = 1718455543.

It is an interprime number because it is at equal distance from previous prime (132447307) and next prime (132447319).

It is a cyclic number.

It is not a de Polignac number, because 132447313 - 29 = 132446801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132447319) 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, 67231 + ... + 69172.

It is an arithmetic number, because the mean of its divisors is an integer number (33146172).

Almost surely, 2132447313 is an apocalyptic number.

It is an amenable number.

132447313 is a deficient number, since it is larger than the sum of its proper divisors (137375).

132447313 is an equidigital number, since it uses as much as digits as its factorization.

132447313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137374.

The product of its digits is 6048, while the sum is 28.

The square root of 132447313 is about 11508.5756286345. The cubic root of 132447313 is about 509.7388294969.

The spelling of 132447313 in words is "one hundred thirty-two million, four hundred forty-seven thousand, three hundred thirteen".

Divisors: 1 971 136403 132447313