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14647121 = 101145021
BaseRepresentation
bin110111110111…
…111101010001
31000120011001222
4313313331101
512222201441
61241534425
7235332656
oct67677521
930504058
1014647121
1182a4665
124aa4415
13305ab48
141d33c2d
151444d4b
hexdf7f51

14647121 has 4 divisors (see below), whose sum is σ = 14792244. Its totient is φ = 14502000.

The previous prime is 14647111. The next prime is 14647141. The reversal of 14647121 is 12174641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8620096 + 6027025 = 2936^2 + 2455^2 .

It is a cyclic number.

It is not a de Polignac number, because 14647121 - 26 = 14647057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14647111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72410 + ... + 72611.

It is an arithmetic number, because the mean of its divisors is an integer number (3698061).

Almost surely, 214647121 is an apocalyptic number.

It is an amenable number.

14647121 is a deficient number, since it is larger than the sum of its proper divisors (145123).

14647121 is a wasteful number, since it uses less digits than its factorization.

14647121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145122.

The product of its digits is 1344, while the sum is 26.

The square root of 14647121 is about 3827.1557323945. The cubic root of 14647121 is about 244.6718973293.

The spelling of 14647121 in words is "fourteen million, six hundred forty-seven thousand, one hundred twenty-one".

Divisors: 1 101 145021 14647121