Base | Representation |
---|---|
bin | 111011010011… |
… | …1010111010101 |
3 | 2011111202021010 |
4 | 1312213113111 |
5 | 30430003404 |
6 | 3030242433 |
7 | 525203505 |
oct | 166472725 |
9 | 64452233 |
10 | 31094229 |
11 | 16608611 |
12 | a4b6419 |
13 | 659906a |
14 | 41b5a05 |
15 | 2ae3189 |
hex | 1da75d5 |
31094229 has 8 divisors (see below), whose sum is σ = 43261632. Its totient is φ = 19828160.
The previous prime is 31094221. The next prime is 31094243. The reversal of 31094229 is 92249013.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31094229 - 23 = 31094221 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31094196 and 31094205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31094221) 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, 225252 + ... + 225389.
It is an arithmetic number, because the mean of its divisors is an integer number (5407704).
Almost surely, 231094229 is an apocalyptic number.
It is an amenable number.
31094229 is a deficient number, since it is larger than the sum of its proper divisors (12167403).
31094229 is a wasteful number, since it uses less digits than its factorization.
31094229 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 450667.
The product of its (nonzero) digits is 3888, while the sum is 30.
The square root of 31094229 is about 5576.2199562069. The cubic root of 31094229 is about 314.4560327037.
The spelling of 31094229 in words is "thirty-one million, ninety-four thousand, two hundred twenty-nine".
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