Base | Representation |
---|---|
bin | 111011100111… |
… | …0011000011001 |
3 | 2011210212111002 |
4 | 1313032120121 |
5 | 31000112131 |
6 | 3033514345 |
7 | 526440440 |
oct | 167163031 |
9 | 64725432 |
10 | 31254041 |
11 | 16707695 |
12 | a5729b5 |
13 | 6623a20 |
14 | 4217d57 |
15 | 2b256cb |
hex | 1dce619 |
31254041 has 32 divisors (see below), whose sum is σ = 41368320. Its totient is φ = 22910976.
The previous prime is 31254037. The next prime is 31254049. The reversal of 31254041 is 14045213.
It is a cyclic number.
It is not a de Polignac number, because 31254041 - 22 = 31254037 is a prime.
It is not an unprimeable number, because it can be changed into a prime (31254049) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137570 + ... + 137796.
It is an arithmetic number, because the mean of its divisors is an integer number (1292760).
Almost surely, 231254041 is an apocalyptic number.
It is an amenable number.
31254041 is a deficient number, since it is larger than the sum of its proper divisors (10114279).
31254041 is a wasteful number, since it uses less digits than its factorization.
31254041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 353.
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 31254041 is about 5590.5313700935. The cubic root of 31254041 is about 314.9938387978.
Adding to 31254041 its reverse (14045213), we get a palindrome (45299254).
The spelling of 31254041 in words is "thirty-one million, two hundred fifty-four thousand, forty-one".
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