Search a number
-
+
14639924 = 22131716561
BaseRepresentation
bin110111110110…
…001100110100
31000112210012102
4313312030310
512221434144
61241441232
7235302665
oct67661464
930483172
1014639924
11829a212
124aa0218
1330577a0
141d3136c
151442b4e
hexdf6334

14639924 has 24 divisors (see below), whose sum is σ = 29215368. Its totient is φ = 6359040.

The previous prime is 14639923. The next prime is 14639929. The reversal of 14639924 is 42993641.

It can be written as a sum of positive squares in 4 ways, for example, as 47524 + 14592400 = 218^2 + 3820^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14639921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7397 + ... + 9164.

It is an arithmetic number, because the mean of its divisors is an integer number (1217307).

Almost surely, 214639924 is an apocalyptic number.

It is an amenable number.

14639924 is a deficient number, since it is larger than the sum of its proper divisors (14575444).

14639924 is a wasteful number, since it uses less digits than its factorization.

14639924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16595 (or 16593 counting only the distinct ones).

The product of its digits is 46656, while the sum is 38.

The square root of 14639924 is about 3826.2153624698. The cubic root of 14639924 is about 244.6318168216.

The spelling of 14639924 in words is "fourteen million, six hundred thirty-nine thousand, nine hundred twenty-four".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 884 16561 33122 66244 215293 281537 430586 563074 861172 1126148 3659981 7319962 14639924