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115441649 is a prime number
BaseRepresentation
bin1101110000101…
…11111111110001
322001020001011122
412320113333301
5214023113044
615242152025
72601144401
oct670277761
9261201148
10115441649
115a189024
12327b2615
131abbc18b
1411490801
15a204dee
hex6e17ff1

115441649 has 2 divisors, whose sum is σ = 115441650. Its totient is φ = 115441648.

The previous prime is 115441639. The next prime is 115441681. The reversal of 115441649 is 946144511.

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., 77088400 + 38353249 = 8780^2 + 6193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115441649 is a prime.

It is not a weakly prime, because it can be changed into another prime (115441639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57720824 + 57720825.

It is an arithmetic number, because the mean of its divisors is an integer number (57720825).

Almost surely, 2115441649 is an apocalyptic number.

It is an amenable number.

115441649 is a deficient number, since it is larger than the sum of its proper divisors (1).

115441649 is an equidigital number, since it uses as much as digits as its factorization.

115441649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 115441649 is about 10744.3775529344. The cubic root of 115441649 is about 486.9161438005.

The spelling of 115441649 in words is "one hundred fifteen million, four hundred forty-one thousand, six hundred forty-nine".