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115201057 is a prime number
BaseRepresentation
bin1101101110111…
…01010000100001
322000202211010211
412313131100201
5213442413212
615233054121
72566123066
oct667352041
9260684124
10115201057
115a034294
12326b7341
131ab3680a
141142ac6d
15a1a89a7
hex6ddd421

115201057 has 2 divisors, whose sum is σ = 115201058. Its totient is φ = 115201056.

The previous prime is 115201019. The next prime is 115201087. The reversal of 115201057 is 750102511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97594641 + 17606416 = 9879^2 + 4196^2 .

It is a cyclic number.

It is not a de Polignac number, because 115201057 - 211 = 115199009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115201087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57600528 + 57600529.

It is an arithmetic number, because the mean of its divisors is an integer number (57600529).

Almost surely, 2115201057 is an apocalyptic number.

It is an amenable number.

115201057 is a deficient number, since it is larger than the sum of its proper divisors (1).

115201057 is an equidigital number, since it uses as much as digits as its factorization.

115201057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 115201057 is about 10733.1755319663. The cubic root of 115201057 is about 486.5776478097.

Adding to 115201057 its reverse (750102511), we get a palindrome (865303568).

The spelling of 115201057 in words is "one hundred fifteen million, two hundred one thousand, fifty-seven".