Base | Representation |
---|---|
bin | 110101010011… |
… | …101000000111 |
3 | 222021221202102 |
4 | 311103220013 |
5 | 12034132043 |
6 | 1215302315 |
7 | 226530410 |
oct | 65235007 |
9 | 28257672 |
10 | 13974023 |
11 | 7984988 |
12 | 481a99b |
13 | 2b8366b |
14 | 1bda807 |
15 | 13606b8 |
hex | d53a07 |
13974023 has 4 divisors (see below), whose sum is σ = 15970320. Its totient is φ = 11977728.
The previous prime is 13974019. The next prime is 13974029. The reversal of 13974023 is 32047931.
13974023 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: 32047931 = 251 ⋅127681.
It is not a de Polignac number, because 13974023 - 22 = 13974019 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13974029) 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, 998138 + ... + 998151.
It is an arithmetic number, because the mean of its divisors is an integer number (3992580).
Almost surely, 213974023 is an apocalyptic number.
13974023 is a deficient number, since it is larger than the sum of its proper divisors (1996297).
13974023 is an equidigital number, since it uses as much as digits as its factorization.
13974023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1996296.
The product of its (nonzero) digits is 4536, while the sum is 29.
The square root of 13974023 is about 3738.1844523779. The cubic root of 13974023 is about 240.8650668252.
The spelling of 13974023 in words is "thirteen million, nine hundred seventy-four thousand, twenty-three".
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