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115448261 is a prime number
BaseRepresentation
bin1101110000110…
…01100111000101
322001020101020112
412320121213011
5214023321021
615242242405
72601202565
oct670314705
9261211215
10115448261
115a192a95
12327b6405
131abc21a6
1411492da5
15a206d5b
hex6e199c5

115448261 has 2 divisors, whose sum is σ = 115448262. Its totient is φ = 115448260.

The previous prime is 115448213. The next prime is 115448299. The reversal of 115448261 is 162844511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73444900 + 42003361 = 8570^2 + 6481^2 .

It is a cyclic number.

It is not a de Polignac number, because 115448261 - 26 = 115448197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115448561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57724130 + 57724131.

It is an arithmetic number, because the mean of its divisors is an integer number (57724131).

Almost surely, 2115448261 is an apocalyptic number.

It is an amenable number.

115448261 is a deficient number, since it is larger than the sum of its proper divisors (1).

115448261 is an equidigital number, since it uses as much as digits as its factorization.

115448261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 32.

The square root of 115448261 is about 10744.6852443429. The cubic root of 115448261 is about 486.9254397756.

The spelling of 115448261 in words is "one hundred fifteen million, four hundred forty-eight thousand, two hundred sixty-one".