Search a number
-
+
13955285 = 52791057
BaseRepresentation
bin110101001111…
…000011010101
3222021000001102
4311033003111
512033032120
61215035445
7226421651
oct65170325
928230042
1013955285
1179718a3
12480bb85
132b77c86
141bd3a61
151359d75
hexd4f0d5

13955285 has 4 divisors (see below), whose sum is σ = 16746348. Its totient is φ = 11164224.

The previous prime is 13955267. The next prime is 13955309. The reversal of 13955285 is 58255931.

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 7365796 + 6589489 = 2714^2 + 2567^2 .

It is a cyclic number.

It is not a de Polignac number, because 13955285 - 216 = 13889749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395524 + ... + 1395533.

It is an arithmetic number, because the mean of its divisors is an integer number (4186587).

Almost surely, 213955285 is an apocalyptic number.

It is an amenable number.

13955285 is a deficient number, since it is larger than the sum of its proper divisors (2791063).

13955285 is an equidigital number, since it uses as much as digits as its factorization.

13955285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791062.

The product of its digits is 54000, while the sum is 38.

The square root of 13955285 is about 3735.6773147583. The cubic root of 13955285 is about 240.7573586761.

The spelling of 13955285 in words is "thirteen million, nine hundred fifty-five thousand, two hundred eighty-five".

Divisors: 1 5 2791057 13955285