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132501757 = 177794221
BaseRepresentation
bin1111110010111…
…01000011111101
3100020022210020111
413321131003331
5232410024012
621051550021
73166150333
oct771350375
9306283214
10132501757
1168880593
123845b311
13215b340b
1413851b53
15b974ba7
hex7e5d0fd

132501757 has 4 divisors (see below), whose sum is σ = 140295996. Its totient is φ = 124707520.

The previous prime is 132501739. The next prime is 132501779. The reversal of 132501757 is 757105231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 757105231 = 1318757413.

It can be written as a sum of positive squares in 2 ways, for example, as 113934276 + 18567481 = 10674^2 + 4309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-132501757 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 (132501737) 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, 3897094 + ... + 3897127.

It is an arithmetic number, because the mean of its divisors is an integer number (35073999).

Almost surely, 2132501757 is an apocalyptic number.

132501757 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

132501757 is a deficient number, since it is larger than the sum of its proper divisors (7794239).

132501757 is an equidigital number, since it uses as much as digits as its factorization.

132501757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7794238.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 132501757 is about 11510.9407521714. The cubic root of 132501757 is about 509.8086646096.

Adding to 132501757 its reverse (757105231), we get a palindrome (889606988).

The spelling of 132501757 in words is "one hundred thirty-two million, five hundred one thousand, seven hundred fifty-seven".

Divisors: 1 17 7794221 132501757