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115790957 = 612118917
BaseRepresentation
bin1101110011011…
…01010001101101
322001212210022222
412321231101231
5214120302312
615253445125
72604130652
oct671552155
9261783288
10115790957
115a3a7507
12329407a5
131acb2179
1411541c29
15a273672
hex6e6d46d

115790957 has 4 divisors (see below), whose sum is σ = 115815996. Its totient is φ = 115765920.

The previous prime is 115790951. The next prime is 115790971. The reversal of 115790957 is 759097511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 759097511 = 827917893.

It can be written as a sum of positive squares in 2 ways, for example, as 51566761 + 64224196 = 7181^2 + 8014^2 .

It is a cyclic number.

It is not a de Polignac number, because 115790957 - 218 = 115528813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115790951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3338 + ... + 15579.

It is an arithmetic number, because the mean of its divisors is an integer number (28953999).

Almost surely, 2115790957 is an apocalyptic number.

It is an amenable number.

115790957 is a deficient number, since it is larger than the sum of its proper divisors (25039).

115790957 is an equidigital number, since it uses as much as digits as its factorization.

115790957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25038.

The product of its (nonzero) digits is 99225, while the sum is 44.

The square root of 115790957 is about 10760.6206605381. The cubic root of 115790957 is about 487.4067594633.

The spelling of 115790957 in words is "one hundred fifteen million, seven hundred ninety thousand, nine hundred fifty-seven".

Divisors: 1 6121 18917 115790957