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14539985 = 52907997
BaseRepresentation
bin110111011101…
…110011010001
31000100201002222
4313131303101
512210234420
61235350425
7234405425
oct67356321
930321088
1014539985
118231119
124a52415
133021155
141d06b85
151423225
hexdddcd1

14539985 has 4 divisors (see below), whose sum is σ = 17447988. Its totient is φ = 11631984.

The previous prime is 14539969. The next prime is 14539999. The reversal of 14539985 is 58993541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58993541 = 557105913.

It can be written as a sum of positive squares in 2 ways, for example, as 4068289 + 10471696 = 2017^2 + 3236^2 .

It is a cyclic number.

It is not a de Polignac number, because 14539985 - 24 = 14539969 is a prime.

It is a super-2 number, since 2×145399852 = 422822327600450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453994 + ... + 1454003.

It is an arithmetic number, because the mean of its divisors is an integer number (4361997).

Almost surely, 214539985 is an apocalyptic number.

It is an amenable number.

14539985 is a deficient number, since it is larger than the sum of its proper divisors (2908003).

14539985 is an equidigital number, since it uses as much as digits as its factorization.

14539985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908002.

The product of its digits is 194400, while the sum is 44.

The square root of 14539985 is about 3813.1332261016. The cubic root of 14539985 is about 244.0738880861.

The spelling of 14539985 in words is "fourteen million, five hundred thirty-nine thousand, nine hundred eighty-five".

Divisors: 1 5 2907997 14539985