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115748113 = 1310698329
BaseRepresentation
bin1101110011000…
…10110100010001
322001210121120011
412321202310101
5214112414423
615252514521
72603562025
oct671426421
9261717504
10115748113
115a3782a8
123291ba41
131ac98810
1411530385
15a265b0d
hex6e62d11

115748113 has 8 divisors (see below), whose sum is σ = 124783400. Its totient is φ = 106731648.

The previous prime is 115748111. The next prime is 115748119. The reversal of 115748113 is 311847511.

115748113 = 76072 + 76082.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 121104 + 115627009 = 348^2 + 10753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115748113 - 21 = 115748111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115748111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9733 + ... + 18061.

It is an arithmetic number, because the mean of its divisors is an integer number (15597925).

Almost surely, 2115748113 is an apocalyptic number.

115748113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115748113 is the 7608-th centered square number.

It is an amenable number.

115748113 is a deficient number, since it is larger than the sum of its proper divisors (9035287).

115748113 is a wasteful number, since it uses less digits than its factorization.

115748113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9411.

The product of its digits is 3360, while the sum is 31.

The square root of 115748113 is about 10758.6296989905. The cubic root of 115748113 is about 487.3466366585.

The spelling of 115748113 in words is "one hundred fifteen million, seven hundred forty-eight thousand, one hundred thirteen".

Divisors: 1 13 1069 8329 13897 108277 8903701 115748113