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152556497 is a prime number
BaseRepresentation
bin10010001011111…
…01001111010001
3101122001200011122
421011331033101
5303023301442
623045452025
73531465062
oct1105751721
9348050148
10152556497
1179128a55
1243111015
13257b5722
1416392569
15d5d6dd2
hex917d3d1

152556497 has 2 divisors, whose sum is σ = 152556498. Its totient is φ = 152556496.

The previous prime is 152556463. The next prime is 152556533. The reversal of 152556497 is 794655251.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122788561 + 29767936 = 11081^2 + 5456^2 .

It is a cyclic number.

It is not a de Polignac number, because 152556497 - 26 = 152556433 is a prime.

It is a super-2 number, since 2×1525564972 = 46546969553822018, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152556457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76278248 + 76278249.

It is an arithmetic number, because the mean of its divisors is an integer number (76278249).

Almost surely, 2152556497 is an apocalyptic number.

It is an amenable number.

152556497 is a deficient number, since it is larger than the sum of its proper divisors (1).

152556497 is an equidigital number, since it uses as much as digits as its factorization.

152556497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 44.

The square root of 152556497 is about 12351.3763200706. The cubic root of 152556497 is about 534.3308336763.

The spelling of 152556497 in words is "one hundred fifty-two million, five hundred fifty-six thousand, four hundred ninety-seven".