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128452627 is a prime number
BaseRepresentation
bin1111010100000…
…00100000010011
322221201001212201
413222000200103
5230340441002
620425104031
73116554312
oct752004023
9287631781
10128452627
11665653a6
1237028017
13207c6394
14130ba279
15b425087
hex7a80813

128452627 has 2 divisors, whose sum is σ = 128452628. Its totient is φ = 128452626.

The previous prime is 128452607. The next prime is 128452633. The reversal of 128452627 is 726254821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-128452627 is a prime.

It is a super-2 number, since 2×1284526272 = 33000154766402258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (128452607) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64226313 + 64226314.

It is an arithmetic number, because the mean of its divisors is an integer number (64226314).

Almost surely, 2128452627 is an apocalyptic number.

128452627 is a deficient number, since it is larger than the sum of its proper divisors (1).

128452627 is an equidigital number, since it uses as much as digits as its factorization.

128452627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 37.

The square root of 128452627 is about 11333.6943226823. The cubic root of 128452627 is about 504.5617568444.

The spelling of 128452627 in words is "one hundred twenty-eight million, four hundred fifty-two thousand, six hundred twenty-seven".