Base | Representation |
---|---|
bin | 110101001011… |
… | …011000001000 |
3 | 222020020101220 |
4 | 311023120020 |
5 | 12032041412 |
6 | 1214442040 |
7 | 226330035 |
oct | 65133010 |
9 | 28206356 |
10 | 13940232 |
11 | 7961559 |
12 | 4803320 |
13 | 2b71177 |
14 | 1bcc38c |
15 | 135568c |
hex | d4b608 |
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".
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