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152705057 is a prime number
BaseRepresentation
bin10010001101000…
…01100000100001
3101122100012221212
421012201200201
5303043030212
623052555505
73532654151
oct1106414041
9348305855
10152705057
117921a62a
1243182b95
132583822b
14163d0761
15d615e22
hex91a1821

152705057 has 2 divisors, whose sum is σ = 152705058. Its totient is φ = 152705056.

The previous prime is 152705051. The next prime is 152705089. The reversal of 152705057 is 750507251.

It is an a-pointer prime, because the next prime (152705089) can be obtained adding 152705057 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87030241 + 65674816 = 9329^2 + 8104^2 .

It is a cyclic number.

It is not a de Polignac number, because 152705057 - 24 = 152705041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152705051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76352528 + 76352529.

It is an arithmetic number, because the mean of its divisors is an integer number (76352529).

Almost surely, 2152705057 is an apocalyptic number.

It is an amenable number.

152705057 is a deficient number, since it is larger than the sum of its proper divisors (1).

152705057 is an equidigital number, since it uses as much as digits as its factorization.

152705057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12250, while the sum is 32.

The square root of 152705057 is about 12357.3887613848. The cubic root of 152705057 is about 534.5042217593.

It can be divided in two parts, 15 and 2705057, that added together give a palindrome (2705072).

The spelling of 152705057 in words is "one hundred fifty-two million, seven hundred five thousand, fifty-seven".