Base | Representation |
---|---|
bin | 11010110110000… |
… | …10000110010000 |
3 | 120200201212000001 |
4 | 31123002012100 |
5 | 430122042123 |
6 | 34202335344 |
7 | 5403041311 |
oct | 1533020620 |
9 | 520655001 |
10 | 225190288 |
11 | 106128884 |
12 | 634ba554 |
13 | 37866cbb |
14 | 21c9c608 |
15 | 14b830ad |
hex | d6c2190 |
225190288 has 40 divisors (see below), whose sum is σ = 453595968. Its totient is φ = 108208512.
The previous prime is 225190247. The next prime is 225190319. The reversal of 225190288 is 882091522.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46845 + ... + 51427.
Almost surely, 2225190288 is an apocalyptic number.
It is an amenable number.
225190288 is an abundant number, since it is smaller than the sum of its proper divisors (228405680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225190288 is a wasteful number, since it uses less digits than its factorization.
225190288 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4711 (or 4705 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 37.
The square root of 225190288 is about 15006.3415928067. The cubic root of 225190288 is about 608.3916134736.
The spelling of 225190288 in words is "two hundred twenty-five million, one hundred ninety thousand, two hundred eighty-eight".
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