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152210057 = 241631577
BaseRepresentation
bin10010001001010…
…00101010001001
3101121102001221112
421010220222021
5302431210212
623034220105
73525523046
oct1104505211
9347361845
10152210057
1178a1173a
1242b84635
13256c3b2c
14163021cd
15d569422
hex9128a89

152210057 has 4 divisors (see below), whose sum is σ = 152841876. Its totient is φ = 151578240.

The previous prime is 152210053. The next prime is 152210059. The reversal of 152210057 is 750012251.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43612816 + 108597241 = 6604^2 + 10421^2 .

It is a cyclic number.

It is not a de Polignac number, because 152210057 - 22 = 152210053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152210053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315548 + ... + 316029.

It is an arithmetic number, because the mean of its divisors is an integer number (38210469).

Almost surely, 2152210057 is an apocalyptic number.

It is an amenable number.

152210057 is a deficient number, since it is larger than the sum of its proper divisors (631819).

152210057 is an equidigital number, since it uses as much as digits as its factorization.

152210057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631818.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 152210057 is about 12337.3440010401. The cubic root of 152210057 is about 533.9260571306.

The spelling of 152210057 in words is "one hundred fifty-two million, two hundred ten thousand, fifty-seven".

Divisors: 1 241 631577 152210057