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115450057 is a prime number
BaseRepresentation
bin1101110000110…
…10000011001001
322001020110201001
412320122003021
5214023400212
615242255001
72601211042
oct670320311
9261213631
10115450057
115a194378
12327b7461
131abc2c58
14114938c9
15a207657
hex6e1a0c9

115450057 has 2 divisors, whose sum is σ = 115450058. Its totient is φ = 115450056.

The previous prime is 115450051. The next prime is 115450081. The reversal of 115450057 is 750054511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114682681 + 767376 = 10709^2 + 876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115450057 is a prime.

It is a super-2 number, since 2×1154500572 = 26657431322606498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115450051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57725028 + 57725029.

It is an arithmetic number, because the mean of its divisors is an integer number (57725029).

Almost surely, 2115450057 is an apocalyptic number.

It is an amenable number.

115450057 is a deficient number, since it is larger than the sum of its proper divisors (1).

115450057 is an equidigital number, since it uses as much as digits as its factorization.

115450057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 115450057 is about 10744.7688202213. The cubic root of 115450057 is about 486.9279647553.

The spelling of 115450057 in words is "one hundred fifteen million, four hundred fifty thousand, fifty-seven".