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115564 = 22167173
BaseRepresentation
bin11100001101101100
312212112011
4130031230
512144224
62251004
7660631
oct341554
9185464
10115564
1179909
1256a64
13407a7
1430188
1524394
hex1c36c

115564 has 12 divisors (see below), whose sum is σ = 204624. Its totient is φ = 57104.

The previous prime is 115561. The next prime is 115571. The reversal of 115564 is 465511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115561) 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, 582 + ... + 754.

It is an arithmetic number, because the mean of its divisors is an integer number (17052).

2115564 is an apocalyptic number.

It is an amenable number.

115564 is a deficient number, since it is larger than the sum of its proper divisors (89060).

115564 is a wasteful number, since it uses less digits than its factorization.

115564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 342 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 115564 is about 339.9470547012. The cubic root of 115564 is about 48.7088102659.

It can be divided in two parts, 1155 and 64, that multiplied together give a triangular number (73920 = T384).

The spelling of 115564 in words is "one hundred fifteen thousand, five hundred sixty-four".

Divisors: 1 2 4 167 173 334 346 668 692 28891 57782 115564