Search a number
-
+
14799905 = 52959981
BaseRepresentation
bin111000011101…
…010000100001
31000211220122122
4320131100201
512242044110
61245114025
7236540261
oct70352041
930756578
1014799905
11839942a
124b58915
1330b2553
141d737a1
151475255
hexe1d421

14799905 has 4 divisors (see below), whose sum is σ = 17759892. Its totient is φ = 11839920.

The previous prime is 14799887. The next prime is 14799907. The reversal of 14799905 is 50999741.

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 1868689 + 12931216 = 1367^2 + 3596^2 .

It is not a de Polignac number, because 14799905 - 210 = 14798881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14799907) 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, 1479986 + ... + 1479995.

It is an arithmetic number, because the mean of its divisors is an integer number (4439973).

Almost surely, 214799905 is an apocalyptic number.

It is an amenable number.

14799905 is a deficient number, since it is larger than the sum of its proper divisors (2959987).

14799905 is an equidigital number, since it uses as much as digits as its factorization.

14799905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959986.

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 14799905 is about 3847.0644652774. The cubic root of 14799905 is about 245.5196799125.

The spelling of 14799905 in words is "fourteen million, seven hundred ninety-nine thousand, nine hundred five".

Divisors: 1 5 2959981 14799905