Search a number
-
+
13940232 = 233580843
BaseRepresentation
bin110101001011…
…011000001000
3222020020101220
4311023120020
512032041412
61214442040
7226330035
oct65133010
928206356
1013940232
117961559
124803320
132b71177
141bcc38c
15135568c
hexd4b608

13940232 has 16 divisors (see below), whose sum is σ = 34850640. Its totient is φ = 4646736.

The previous prime is 13940209. The next prime is 13940237. The reversal of 13940232 is 23204931.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 580843 = 13940232 / (1 + 3 + 9 + 4 + 0 + 2 + 3 + 2).

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13940237) 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, 290398 + ... + 290445.

It is an arithmetic number, because the mean of its divisors is an integer number (2178165).

Almost surely, 213940232 is an apocalyptic number.

13940232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13940232 is an abundant number, since it is smaller than the sum of its proper divisors (20910408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13940232 is a wasteful number, since it uses less digits than its factorization.

13940232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580852 (or 580848 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13940232 is about 3733.6620093415. The cubic root of 13940232 is about 240.6707624662.

The spelling of 13940232 in words is "thirteen million, nine hundred forty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 580843 1161686 1742529 2323372 3485058 4646744 6970116 13940232