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115293161 is a prime number
BaseRepresentation
bin1101101111100…
…11101111101001
322000221111111002
412313303233221
5214003340121
615235044345
72566655444
oct667635751
9260844432
10115293161
115a097505
12327406b5
131ab69709
141145265b
15a1c5e0b
hex6df3be9

115293161 has 2 divisors, whose sum is σ = 115293162. Its totient is φ = 115293160.

The previous prime is 115293127. The next prime is 115293169. The reversal of 115293161 is 161392511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77088400 + 38204761 = 8780^2 + 6181^2 .

It is a cyclic number.

It is not a de Polignac number, because 115293161 - 26 = 115293097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115293169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57646580 + 57646581.

It is an arithmetic number, because the mean of its divisors is an integer number (57646581).

Almost surely, 2115293161 is an apocalyptic number.

It is an amenable number.

115293161 is a deficient number, since it is larger than the sum of its proper divisors (1).

115293161 is an equidigital number, since it uses as much as digits as its factorization.

115293161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 29.

The square root of 115293161 is about 10737.4652968007. The cubic root of 115293161 is about 486.7072872727.

The spelling of 115293161 in words is "one hundred fifteen million, two hundred ninety-three thousand, one hundred sixty-one".