Base | Representation |
---|---|
bin | 110110011100… |
… | …011110101111 |
3 | 222212010002120 |
4 | 312130132233 |
5 | 12123204211 |
6 | 1225524023 |
7 | 232212405 |
oct | 66343657 |
9 | 28763076 |
10 | 14272431 |
11 | 80690a8 |
12 | 4943613 |
13 | 2c59434 |
14 | 1c77475 |
15 | 13bdd06 |
hex | d9c7af |
14272431 has 24 divisors (see below), whose sum is σ = 20353536. Its totient is φ = 8885520.
The previous prime is 14272429. The next prime is 14272441. The reversal of 14272431 is 13427241.
It is a happy number.
It is not a de Polignac number, because 14272431 - 21 = 14272429 is a prime.
It is a super-2 number, since 2×142724312 = 407404573299522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14272441) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171916 + ... + 171998.
It is an arithmetic number, because the mean of its divisors is an integer number (848064).
Almost surely, 214272431 is an apocalyptic number.
14272431 is a deficient number, since it is larger than the sum of its proper divisors (6081105).
14272431 is an equidigital number, since it uses as much as digits as its factorization.
14272431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203 (or 160 counting only the distinct ones).
The product of its digits is 1344, while the sum is 24.
The square root of 14272431 is about 3777.8871078951. The cubic root of 14272431 is about 242.5675214959.
Adding to 14272431 its reverse (13427241), we get a palindrome (27699672).
The spelling of 14272431 in words is "fourteen million, two hundred seventy-two thousand, four hundred thirty-one".
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