Base | Representation |
---|---|
bin | 110110101011… |
… | …000000011011 |
3 | 222222010201021 |
4 | 312223000123 |
5 | 12132110211 |
6 | 1231103311 |
7 | 232551025 |
oct | 66530033 |
9 | 28863637 |
10 | 14331931 |
11 | 80a9879 |
12 | 4971b37 |
13 | 2c7a543 |
14 | 1c91015 |
15 | 13d1771 |
hex | dab01b |
14331931 has 4 divisors (see below), whose sum is σ = 14346864. Its totient is φ = 14317000.
The previous prime is 14331929. The next prime is 14331949. The reversal of 14331931 is 13913341.
14331931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13913341 = 13 ⋅1070257.
It is a cyclic number.
It is not a de Polignac number, because 14331931 - 21 = 14331929 is a prime.
It is a super-2 number, since 2×143319312 = 410808492377522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 14331896 and 14331905.
It is not an unprimeable number, because it can be changed into a prime (14331971) 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, 5920 + ... + 7981.
It is an arithmetic number, because the mean of its divisors is an integer number (3586716).
It is a self-describing number.
Almost surely, 214331931 is an apocalyptic number.
14331931 is a deficient number, since it is larger than the sum of its proper divisors (14933).
14331931 is a wasteful number, since it uses less digits than its factorization.
14331931 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14932.
The product of its digits is 972, while the sum is 25.
The square root of 14331931 is about 3785.7536898219. The cubic root of 14331931 is about 242.9041321665.
It can be divided in two parts, 1433 and 1931, that added together give a square (3364 = 582).
The spelling of 14331931 in words is "fourteen million, three hundred thirty-one thousand, nine hundred thirty-one".
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