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132421379 = 295344843
BaseRepresentation
bin1111110010010…
…01011100000011
3100020011200222112
413321021130003
5232344441004
621050125535
73165364106
oct771113403
9306150875
10132421379
1168826162
12384208ab
132158595c
141383073d
15b95ae6e
hex7e49703

132421379 has 4 divisors (see below), whose sum is σ = 132469176. Its totient is φ = 132373584.

The previous prime is 132421369. The next prime is 132421391. The reversal of 132421379 is 973124231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-132421379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132421339) 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, 19469 + ... + 25374.

It is an arithmetic number, because the mean of its divisors is an integer number (33117294).

Almost surely, 2132421379 is an apocalyptic number.

132421379 is a deficient number, since it is larger than the sum of its proper divisors (47797).

132421379 is an equidigital number, since it uses as much as digits as its factorization.

132421379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47796.

The product of its digits is 9072, while the sum is 32.

The square root of 132421379 is about 11507.4488484633. The cubic root of 132421379 is about 509.7055573240.

The spelling of 132421379 in words is "one hundred thirty-two million, four hundred twenty-one thousand, three hundred seventy-nine".

Divisors: 1 2953 44843 132421379