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14568121 = 293713577
BaseRepresentation
bin110111100100…
…101010111001
31000102010201001
4313210222321
512212134441
61240125001
7234553441
oct67445271
930363631
1014568121
118250277
124a66761
133030bb9
141d13121
15142b731
hexde4ab9

14568121 has 8 divisors (see below), whose sum is σ = 15478920. Its totient is φ = 13684608.

The previous prime is 14568097. The next prime is 14568137. The reversal of 14568121 is 12186541.

It can be written as a sum of positive squares in 4 ways, for example, as 9369721 + 5198400 = 3061^2 + 2280^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14568121 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 14568121.

It is not an unprimeable number, because it can be changed into a prime (14568181) 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, 5716 + ... + 7861.

It is an arithmetic number, because the mean of its divisors is an integer number (1934865).

Almost surely, 214568121 is an apocalyptic number.

It is an amenable number.

14568121 is a deficient number, since it is larger than the sum of its proper divisors (910799).

14568121 is a wasteful number, since it uses less digits than its factorization.

14568121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13643.

The product of its digits is 1920, while the sum is 28.

The square root of 14568121 is about 3816.8207974701. The cubic root of 14568121 is about 244.2312206214.

The spelling of 14568121 in words is "fourteen million, five hundred sixty-eight thousand, one hundred twenty-one".

Divisors: 1 29 37 1073 13577 393733 502349 14568121