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115552201 is a prime number
BaseRepresentation
bin1101110001100…
…10111111001001
322001102122211011
412320302333021
5214040132301
615244403521
72602114612
oct670627711
9261378734
10115552201
115a254096
12328465a1
131ac2a5ab
14114bcc09
15a227a51
hex6e32fc9

115552201 has 2 divisors, whose sum is σ = 115552202. Its totient is φ = 115552200.

The previous prime is 115552193. The next prime is 115552219. The reversal of 115552201 is 102255511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114169225 + 1382976 = 10685^2 + 1176^2 .

It is a cyclic number.

It is not a de Polignac number, because 115552201 - 23 = 115552193 is a prime.

It is a super-2 number, since 2×1155522012 = 26704622311888802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115552231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57776100 + 57776101.

It is an arithmetic number, because the mean of its divisors is an integer number (57776101).

Almost surely, 2115552201 is an apocalyptic number.

It is an amenable number.

115552201 is a deficient number, since it is larger than the sum of its proper divisors (1).

115552201 is an equidigital number, since it uses as much as digits as its factorization.

115552201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 115552201 is about 10749.5209660710. The cubic root of 115552201 is about 487.0715249821.

The spelling of 115552201 in words is "one hundred fifteen million, five hundred fifty-two thousand, two hundred one".