Search a number
-
+
115802855 = 573308653
BaseRepresentation
bin1101110011100…
…00001011100111
322001220101122122
412321300023213
5214121142410
615254020155
72604210440
oct671601347
9261811578
10115802855
115a405443
123294765b
131acb76cc
14115462c7
15a276e55
hex6e702e7

115802855 has 8 divisors (see below), whose sum is σ = 158815392. Its totient is φ = 79407648.

The previous prime is 115802851. The next prime is 115802857. The reversal of 115802855 is 558208511.

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 115802855 - 22 = 115802851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 3308653 = 115802855 / (1 + 1 + 5 + 8 + 0 + 2 + 8 + 5 + 5).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115802851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1654292 + ... + 1654361.

It is an arithmetic number, because the mean of its divisors is an integer number (19851924).

Almost surely, 2115802855 is an apocalyptic number.

115802855 is a deficient number, since it is larger than the sum of its proper divisors (43012537).

115802855 is an equidigital number, since it uses as much as digits as its factorization.

115802855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308665.

The product of its (nonzero) digits is 16000, while the sum is 35.

The square root of 115802855 is about 10761.1734954883. The cubic root of 115802855 is about 487.4234532454.

The spelling of 115802855 in words is "one hundred fifteen million, eight hundred two thousand, eight hundred fifty-five".

Divisors: 1 5 7 35 3308653 16543265 23160571 115802855