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14718025 = 527312713
BaseRepresentation
bin111000001001…
…010001001001
31000200202100001
4320021101021
512231434100
61243243001
7236046460
oct70112111
930622301
1014718025
118342963
124b19461
1330841ba
141d519d7
15145ad6a
hexe09449

14718025 has 24 divisors (see below), whose sum is σ = 21538304. Its totient is φ = 9763200.

The previous prime is 14718017. The next prime is 14718031. The reversal of 14718025 is 52081741.

14718025 is a nontrivial binomial coefficient, being equal to C(5426, 2).

It is not a de Polignac number, because 14718025 - 23 = 14718017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14717984 and 14718002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4069 + ... + 6781.

Almost surely, 214718025 is an apocalyptic number.

14718025 is the 5425-th triangular number and also the 2713-rd hexagonal number.

14718025 is the 1809-th centered nonagonal number.

It is an amenable number.

14718025 is a deficient number, since it is larger than the sum of its proper divisors (6820279).

14718025 is a wasteful number, since it uses less digits than its factorization.

14718025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761 (or 2756 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 14718025 is about 3836.4078250363. The cubic root of 14718025 is about 245.0660657596.

Adding to 14718025 its reverse (52081741), we get a palindrome (66799766).

The spelling of 14718025 in words is "fourteen million, seven hundred eighteen thousand, twenty-five".

Divisors: 1 5 7 25 31 35 155 175 217 775 1085 2713 5425 13565 18991 67825 84103 94955 420515 474775 588721 2102575 2943605 14718025