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132420997 is a prime number
BaseRepresentation
bin1111110010010…
…01010110000101
3100020011200110101
413321021112011
5232344432442
621050124101
73165363022
oct771112605
9306150411
10132420997
1168825945
1238420631
1321585727
1413830549
15b95acb7
hex7e49585

132420997 has 2 divisors, whose sum is σ = 132420998. Its totient is φ = 132420996.

The previous prime is 132420983. The next prime is 132421019. The reversal of 132420997 is 799024231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86601636 + 45819361 = 9306^2 + 6769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-132420997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132420917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66210498 + 66210499.

It is an arithmetic number, because the mean of its divisors is an integer number (66210499).

Almost surely, 2132420997 is an apocalyptic number.

It is an amenable number.

132420997 is a deficient number, since it is larger than the sum of its proper divisors (1).

132420997 is an equidigital number, since it uses as much as digits as its factorization.

132420997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 132420997 is about 11507.4322505066. The cubic root of 132420997 is about 509.7050672024.

The spelling of 132420997 in words is "one hundred thirty-two million, four hundred twenty thousand, nine hundred ninety-seven".