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132481749 = 344160583
BaseRepresentation
bin1111110010110…
…00001011010101
3100020021202210110
413321120023111
5232403403444
621051313233
73166035111
oct771301325
9306252713
10132481749
1168867554
123844b819
13215a728a
1413848741
15b96dcb9
hex7e582d5

132481749 has 4 divisors (see below), whose sum is σ = 176642336. Its totient is φ = 88321164.

The previous prime is 132481747. The next prime is 132481819. The reversal of 132481749 is 947184231.

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.

It is not a de Polignac number, because 132481749 - 21 = 132481747 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 (132481747) 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, 22080289 + ... + 22080294.

It is an arithmetic number, because the mean of its divisors is an integer number (44160584).

Almost surely, 2132481749 is an apocalyptic number.

It is an amenable number.

132481749 is a deficient number, since it is larger than the sum of its proper divisors (44160587).

132481749 is an equidigital number, since it uses as much as digits as its factorization.

132481749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44160586.

The product of its digits is 48384, while the sum is 39.

The square root of 132481749 is about 11510.0716331394. The cubic root of 132481749 is about 509.7830026475.

The spelling of 132481749 in words is "one hundred thirty-two million, four hundred eighty-one thousand, seven hundred forty-nine".

Divisors: 1 3 44160583 132481749