Search a number
-
+
14291810 = 2513109937
BaseRepresentation
bin110110100001…
…001101100010
3222220002200022
4312201031202
512124314220
61230153442
7232323041
oct66411542
928802608
1014291810
118081715
124952882
132c651c0
141c80558
1513c4925
hexda1362

14291810 has 16 divisors (see below), whose sum is σ = 27704376. Its totient is φ = 5276928.

The previous prime is 14291791. The next prime is 14291813. The reversal of 14291810 is 1819241.

It can be written as a sum of positive squares in 4 ways, for example, as 6568969 + 7722841 = 2563^2 + 2779^2 .

It is a super-2 number, since 2×142918102 = 408511666152200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 14291810.

It is not an unprimeable number, because it can be changed into a prime (14291813) 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 7 ways as a sum of consecutive naturals, for example, 54839 + ... + 55098.

Almost surely, 214291810 is an apocalyptic number.

14291810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14291810 is a deficient number, since it is larger than the sum of its proper divisors (13412566).

14291810 is a wasteful number, since it uses less digits than its factorization.

14291810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109957.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 14291810 is about 3780.4510312924. The cubic root of 14291810 is about 242.6772572999.

The spelling of 14291810 in words is "fourteen million, two hundred ninety-one thousand, eight hundred ten".

Divisors: 1 2 5 10 13 26 65 130 109937 219874 549685 1099370 1429181 2858362 7145905 14291810