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152097557 is a prime number
BaseRepresentation
bin10010001000011…
…01001100010101
3101121012100121212
421010031030111
5302414110212
623031551205
73524544053
oct1104151425
9347170555
10152097557
1178945167
1242b2b505
1325684871
14162b31d3
15d545e22
hex910d315

152097557 has 2 divisors, whose sum is σ = 152097558. Its totient is φ = 152097556.

The previous prime is 152097523. The next prime is 152097559. The reversal of 152097557 is 755790251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151930276 + 167281 = 12326^2 + 409^2 .

It is an emirp because it is prime and its reverse (755790251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152097557 - 218 = 151835413 is a prime.

Together with 152097559, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p8555567 and since 152097557 and 8555567 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152097559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76048778 + 76048779.

It is an arithmetic number, because the mean of its divisors is an integer number (76048779).

Almost surely, 2152097557 is an apocalyptic number.

It is an amenable number.

152097557 is a deficient number, since it is larger than the sum of its proper divisors (1).

152097557 is an equidigital number, since it uses as much as digits as its factorization.

152097557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110250, while the sum is 41.

The square root of 152097557 is about 12332.7838301010. The cubic root of 152097557 is about 533.7944813173.

The spelling of 152097557 in words is "one hundred fifty-two million, ninety-seven thousand, five hundred fifty-seven".