Search a number
-
+
14897930 = 257120983
BaseRepresentation
bin111000110101…
…001100001010
31001000220010012
4320311030022
512303213210
61251151522
7240426125
oct70651412
931026105
1014897930
118456043
124ba55a2
133118058
141d9b3bc
151494305
hexe3530a

14897930 has 16 divisors (see below), whose sum is σ = 27195264. Its totient is φ = 5874960.

The previous prime is 14897923. The next prime is 14897941. The reversal of 14897930 is 3979841.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9782 + ... + 11201.

It is an arithmetic number, because the mean of its divisors is an integer number (1699704).

Almost surely, 214897930 is an apocalyptic number.

14897930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14897930 is a deficient number, since it is larger than the sum of its proper divisors (12297334).

14897930 is a wasteful number, since it uses less digits than its factorization.

14897930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21061.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 14897930 is about 3859.7836726946. The cubic root of 14897930 is about 246.0605420867.

The spelling of 14897930 in words is "fourteen million, eight hundred ninety-seven thousand, nine hundred thirty".

Divisors: 1 2 5 10 71 142 355 710 20983 41966 104915 209830 1489793 2979586 7448965 14897930