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115556 = 2274127
BaseRepresentation
bin11100001101100100
312212111212
4130031210
512144211
62250552
7660620
oct341544
9185455
10115556
1179901
1256a58
134079c
1430180
152438b
hex1c364

115556 has 12 divisors (see below), whose sum is σ = 231168. Its totient is φ = 49512.

The previous prime is 115553. The next prime is 115561. The reversal of 115556 is 655511.

115556 is an admirable number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (115553) 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, 2036 + ... + 2091.

It is an arithmetic number, because the mean of its divisors is an integer number (19264).

2115556 is an apocalyptic number.

It is an amenable number.

115556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115556 is a wasteful number, since it uses less digits than its factorization.

115556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138 (or 4136 counting only the distinct ones).

The product of its digits is 750, while the sum is 23.

The square root of 115556 is about 339.9352879593. The cubic root of 115556 is about 48.7076862727.

It can be divided in two parts, 11 and 5556, that multiplied together give a palindrome (61116).

The spelling of 115556 in words is "one hundred fifteen thousand, five hundred fifty-six".

Divisors: 1 2 4 7 14 28 4127 8254 16508 28889 57778 115556