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132556379 = 643206153
BaseRepresentation
bin1111110011010…
…10011001011011
3100020102120011112
413321222121123
5232413301004
621053050535
73166465514
oct771523133
9306376145
10132556379
116890862a
1238486a4b
1321602237
1413867a0b
15b985e6e
hex7e6a65b

132556379 has 4 divisors (see below), whose sum is σ = 132763176. Its totient is φ = 132349584.

The previous prime is 132556373. The next prime is 132556381. The reversal of 132556379 is 973655231.

It is a happy number.

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-132556379 is a prime.

It is a super-2 number, since 2×1325563792 = 35142387227183282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132556373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102434 + ... + 103719.

It is an arithmetic number, because the mean of its divisors is an integer number (33190794).

Almost surely, 2132556379 is an apocalyptic number.

132556379 is a deficient number, since it is larger than the sum of its proper divisors (206797).

132556379 is an equidigital number, since it uses as much as digits as its factorization.

132556379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206796.

The product of its digits is 170100, while the sum is 41.

The square root of 132556379 is about 11513.3131200363. The cubic root of 132556379 is about 509.8787088211.

The spelling of 132556379 in words is "one hundred thirty-two million, five hundred fifty-six thousand, three hundred seventy-nine".

Divisors: 1 643 206153 132556379