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18343127 = 116127337
BaseRepresentation
bin100010111111…
…0010011010111
31021111221001002
41011332103113
514143440002
61453053515
7311625335
oct105762327
937457032
1018343127
11a399510
12618729b
133a5322a
142616b55
151925002
hex117e4d7

18343127 has 8 divisors (see below), whose sum is σ = 20339472. Its totient is φ = 16401600.

The previous prime is 18343123. The next prime is 18343133. The reversal of 18343127 is 72134381.

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 18343127 - 22 = 18343123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18343127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18343123) 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, 12998 + ... + 14339.

It is an arithmetic number, because the mean of its divisors is an integer number (2542434).

Almost surely, 218343127 is an apocalyptic number.

18343127 is a deficient number, since it is larger than the sum of its proper divisors (1996345).

18343127 is a wasteful number, since it uses less digits than its factorization.

18343127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27409.

The product of its digits is 4032, while the sum is 29.

The square root of 18343127 is about 4282.8876940681. The cubic root of 18343127 is about 263.7289410647.

It can be divided in two parts, 18343 and 127, that multiplied together give a triangular number (2329561 = T2158).

The spelling of 18343127 in words is "eighteen million, three hundred forty-three thousand, one hundred twenty-seven".

Divisors: 1 11 61 671 27337 300707 1667557 18343127