Base | Representation |
---|---|
bin | 11010110101100… |
… | …11011111111110 |
3 | 120200121210222110 |
4 | 31122303133332 |
5 | 430113133434 |
6 | 34201154450 |
7 | 5402402061 |
oct | 1532633776 |
9 | 520553873 |
10 | 225130494 |
11 | 106097966 |
12 | 6348ba26 |
13 | 37845a14 |
14 | 21c848d8 |
15 | 14b704e9 |
hex | d6b37fe |
225130494 has 16 divisors (see below), whose sum is σ = 464785920. Its totient is φ = 72622680.
The previous prime is 225130471. The next prime is 225130511. The reversal of 225130494 is 494031522.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605004 + ... + 605375.
It is an arithmetic number, because the mean of its divisors is an integer number (29049120).
Almost surely, 2225130494 is an apocalyptic number.
225130494 is an abundant number, since it is smaller than the sum of its proper divisors (239655426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225130494 is a wasteful number, since it uses less digits than its factorization.
225130494 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1210415.
The product of its (nonzero) digits is 8640, while the sum is 30.
The square root of 225130494 is about 15004.3491694908. The cubic root of 225130494 is about 608.3377606650.
The spelling of 225130494 in words is "two hundred twenty-five million, one hundred thirty thousand, four hundred ninety-four".
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