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14813609 = 112913121
BaseRepresentation
bin111000100000…
…100110101001
31000212121110012
4320200212221
512243013414
61245301305
7236625236
oct70404651
930777405
1014813609
1183a8758
124b64835
1330b8865
141d7878d
15147933e
hexe209a9

14813609 has 4 divisors (see below), whose sum is σ = 14827860. Its totient is φ = 14799360.

The previous prime is 14813573. The next prime is 14813621. The reversal of 14813609 is 90631841.

It is a happy number.

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 1651225 + 13162384 = 1285^2 + 3628^2 .

It is a cyclic number.

It is not a de Polignac number, because 14813609 - 212 = 14809513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14813639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5432 + ... + 7689.

It is an arithmetic number, because the mean of its divisors is an integer number (3706965).

Almost surely, 214813609 is an apocalyptic number.

It is an amenable number.

14813609 is a deficient number, since it is larger than the sum of its proper divisors (14251).

14813609 is a wasteful number, since it uses less digits than its factorization.

14813609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14250.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 14813609 is about 3848.8451514708. The cubic root of 14813609 is about 245.5954363389.

The spelling of 14813609 in words is "fourteen million, eight hundred thirteen thousand, six hundred nine".

Divisors: 1 1129 13121 14813609