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152014657 = 523290659
BaseRepresentation
bin10010000111110…
…00111101000001
3101121001010220111
421003320331001
5302403432112
623030111321
73524050264
oct1103707501
9347033814
10152014657
1178898953
1242aab541
1325655c02
1416290cdb
15d52b5a7
hex90f8f41

152014657 has 4 divisors (see below), whose sum is σ = 152305840. Its totient is φ = 151723476.

The previous prime is 152014637. The next prime is 152014679. The reversal of 152014657 is 756410251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 152014657 - 27 = 152014529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152014637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144807 + ... + 145852.

It is an arithmetic number, because the mean of its divisors is an integer number (38076460).

Almost surely, 2152014657 is an apocalyptic number.

It is an amenable number.

152014657 is a deficient number, since it is larger than the sum of its proper divisors (291183).

152014657 is an equidigital number, since it uses as much as digits as its factorization.

152014657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291182.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 152014657 is about 12329.4224114514. The cubic root of 152014657 is about 533.6974830365.

The spelling of 152014657 in words is "one hundred fifty-two million, fourteen thousand, six hundred fifty-seven".

Divisors: 1 523 290659 152014657