Base | Representation |
---|---|
bin | 111011100111… |
… | …0001000111101 |
3 | 2011210211010111 |
4 | 1313032020331 |
5 | 31000044203 |
6 | 3033510021 |
7 | 526434526 |
oct | 167161075 |
9 | 64724114 |
10 | 31253053 |
11 | 16706977 |
12 | a572311 |
13 | 6623440 |
14 | 421784d |
15 | 2b2526d |
hex | 1dce23d |
31253053 has 8 divisors (see below), whose sum is σ = 34743296. Its totient is φ = 27918000.
The previous prime is 31253023. The next prime is 31253059. The reversal of 31253053 is 35035213.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31253053 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 (31253059) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38373 + ... + 39178.
It is an arithmetic number, because the mean of its divisors is an integer number (4342912).
Almost surely, 231253053 is an apocalyptic number.
It is an amenable number.
31253053 is a deficient number, since it is larger than the sum of its proper divisors (3490243).
31253053 is a wasteful number, since it uses less digits than its factorization.
31253053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77595.
The product of its (nonzero) digits is 1350, while the sum is 22.
The square root of 31253053 is about 5590.4430057018. The cubic root of 31253053 is about 314.9905195769.
Adding to 31253053 its reverse (35035213), we get a palindrome (66288266).
The spelling of 31253053 in words is "thirty-one million, two hundred fifty-three thousand, fifty-three".
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