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132513757 = 278947513
BaseRepresentation
bin1111110010111…
…11111111011101
3100020100101200221
413321133333131
5232410420012
621052121341
73166230325
oct771377735
9306311627
10132513757
1168889602
1238466251
13215b8a0c
1413856285
15b978507
hex7e5ffdd

132513757 has 4 divisors (see below), whose sum is σ = 132564060. Its totient is φ = 132463456.

The previous prime is 132513743. The next prime is 132513767. The reversal of 132513757 is 757315231.

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 55442916 + 77070841 = 7446^2 + 8779^2 .

It is a cyclic number.

It is not a de Polignac number, because 132513757 - 27 = 132513629 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 (132513767) 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, 20968 + ... + 26545.

It is an arithmetic number, because the mean of its divisors is an integer number (33141015).

Almost surely, 2132513757 is an apocalyptic number.

It is an amenable number.

132513757 is a deficient number, since it is larger than the sum of its proper divisors (50303).

132513757 is an equidigital number, since it uses as much as digits as its factorization.

132513757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50302.

The product of its digits is 22050, while the sum is 34.

The square root of 132513757 is about 11511.4619836057. The cubic root of 132513757 is about 509.8240543912.

Adding to 132513757 its reverse (757315231), we get a palindrome (889828988).

The spelling of 132513757 in words is "one hundred thirty-two million, five hundred thirteen thousand, seven hundred fifty-seven".

Divisors: 1 2789 47513 132513757