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132223391 is a prime number
BaseRepresentation
bin1111110000110…
…01000110011111
3100012210122101122
413320121012133
5232322122031
621042001155
73163610636
oct770310637
9305718348
10132223391
1168700433
12383461bb
13215167c1
14137bc51d
15b91c47b
hex7e1919f

132223391 has 2 divisors, whose sum is σ = 132223392. Its totient is φ = 132223390.

The previous prime is 132223387. The next prime is 132223397. The reversal of 132223391 is 193322231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 132223391 - 22 = 132223387 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 132223391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132223397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66111695 + 66111696.

It is an arithmetic number, because the mean of its divisors is an integer number (66111696).

Almost surely, 2132223391 is an apocalyptic number.

132223391 is a deficient number, since it is larger than the sum of its proper divisors (1).

132223391 is an equidigital number, since it uses as much as digits as its factorization.

132223391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 26.

The square root of 132223391 is about 11498.8430287573. The cubic root of 132223391 is about 509.4514042040.

The spelling of 132223391 in words is "one hundred thirty-two million, two hundred twenty-three thousand, three hundred ninety-one".