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132479 = 137967
BaseRepresentation
bin100000010101111111
320201201122
4200111333
513214404
62501155
71061144
oct402577
9221648
10132479
1190596
12647bb
13483b9
14363cb
15293be
hex2057f

132479 has 4 divisors (see below), whose sum is σ = 133584. Its totient is φ = 131376.

The previous prime is 132469. The next prime is 132491. The reversal of 132479 is 974231.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 974231 = 6115971.

It is a cyclic number.

It is not a de Polignac number, because 132479 - 216 = 66943 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 (132409) 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, 347 + ... + 620.

It is an arithmetic number, because the mean of its divisors is an integer number (33396).

2132479 is an apocalyptic number.

132479 is a deficient number, since it is larger than the sum of its proper divisors (1105).

132479 is an equidigital number, since it uses as much as digits as its factorization.

132479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104.

The product of its digits is 1512, while the sum is 26.

The square root of 132479 is about 363.9766476026. The cubic root of 132479 is about 50.9779476619.

The spelling of 132479 in words is "one hundred thirty-two thousand, four hundred seventy-nine".

Divisors: 1 137 967 132479