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14553985 = 52910797
BaseRepresentation
bin110111100001…
…001110000001
31000101102022111
4313201032001
512211211420
61235535321
7234464305
oct67411601
930342274
1014553985
118240696
124a5a541
133027634
141d0bd05
15142745a
hexde1381

14553985 has 4 divisors (see below), whose sum is σ = 17464788. Its totient is φ = 11643184.

The previous prime is 14553983. The next prime is 14554013. The reversal of 14553985 is 58935541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58935541 = 78419363.

It can be written as a sum of positive squares in 2 ways, for example, as 11512449 + 3041536 = 3393^2 + 1744^2 .

It is a cyclic number.

It is not a de Polignac number, because 14553985 - 21 = 14553983 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14553983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1455394 + ... + 1455403.

It is an arithmetic number, because the mean of its divisors is an integer number (4366197).

Almost surely, 214553985 is an apocalyptic number.

It is an amenable number.

14553985 is a deficient number, since it is larger than the sum of its proper divisors (2910803).

14553985 is an equidigital number, since it uses as much as digits as its factorization.

14553985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910802.

The product of its digits is 108000, while the sum is 40.

The square root of 14553985 is about 3814.9685450866. The cubic root of 14553985 is about 244.1521994532.

The spelling of 14553985 in words is "fourteen million, five hundred fifty-three thousand, nine hundred eighty-five".

Divisors: 1 5 2910797 14553985