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18113696 = 252324611
BaseRepresentation
bin100010100011…
…0010010100000
31021002021022122
41011012102200
514114114241
61444123412
7306651416
oct105062240
937067278
1018113696
11a2520a7
126096568
1339a2983
1425972b6
1518cc04b
hex11464a0

18113696 has 24 divisors (see below), whose sum is σ = 37213344. Its totient is φ = 8662720.

The previous prime is 18113663. The next prime is 18113699. The reversal of 18113696 is 69631181.

It is not an unprimeable number, because it can be changed into a prime (18113699) 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, 11570 + ... + 13041.

It is an arithmetic number, because the mean of its divisors is an integer number (1550556).

Almost surely, 218113696 is an apocalyptic number.

18113696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18113696 is an abundant number, since it is smaller than the sum of its proper divisors (19099648).

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

18113696 is a wasteful number, since it uses less digits than its factorization.

18113696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24644 (or 24636 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 18113696 is about 4256.0187969510. The cubic root of 18113696 is about 262.6247739396.

The spelling of 18113696 in words is "eighteen million, one hundred thirteen thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 24611 49222 98444 196888 393776 566053 787552 1132106 2264212 4528424 9056848 18113696