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18514299 = 344313931
BaseRepresentation
bin100011010100…
…0000101111011
31021211121211210
41012220011323
514214424144
61500454203
7313240356
oct106500573
937747753
1018514299
11a4a6081
12624a363
133ab310b
14265d29d
15195aab9
hex11a817b

18514299 has 8 divisors (see below), whose sum is σ = 24743232. Its totient is φ = 12314120.

The previous prime is 18514289. The next prime is 18514313. The reversal of 18514299 is 99241581.

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 18514299 - 217 = 18383227 is a prime.

It is a super-2 number, since 2×185142992 = 685558534922802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18514219) 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, 5637 + ... + 8294.

It is an arithmetic number, because the mean of its divisors is an integer number (3092904).

Almost surely, 218514299 is an apocalyptic number.

18514299 is a deficient number, since it is larger than the sum of its proper divisors (6228933).

18514299 is a wasteful number, since it uses less digits than its factorization.

18514299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14377.

The product of its digits is 25920, while the sum is 39.

The square root of 18514299 is about 4302.8245374405. The cubic root of 18514299 is about 264.5467462639.

The spelling of 18514299 in words is "eighteen million, five hundred fourteen thousand, two hundred ninety-nine".

Divisors: 1 3 443 1329 13931 41793 6171433 18514299