Base | Representation |
---|---|
bin | 11010110111100… |
… | …10101101001010 |
3 | 120201002222010001 |
4 | 31123302231022 |
5 | 430144430021 |
6 | 34210513214 |
7 | 5404530625 |
oct | 1533625512 |
9 | 521088101 |
10 | 225389386 |
11 | 106254422 |
12 | 6359580a |
13 | 37906801 |
14 | 21d10dbc |
15 | 14bc2091 |
hex | d6f2b4a |
225389386 has 8 divisors (see below), whose sum is σ = 340552260. Its totient is φ = 111871968.
The previous prime is 225389347. The next prime is 225389387. The reversal of 225389386 is 683983522.
It can be written as a sum of positive squares in 2 ways, for example, as 214066161 + 11323225 = 14631^2 + 3365^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-3 number, since 3×2253893863 (a number of 26 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (225389387) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411021 + ... + 411568.
Almost surely, 2225389386 is an apocalyptic number.
225389386 is a deficient number, since it is larger than the sum of its proper divisors (115162874).
225389386 is a wasteful number, since it uses less digits than its factorization.
225389386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 822728.
The product of its digits is 622080, while the sum is 46.
The square root of 225389386 is about 15012.9739225778. The cubic root of 225389386 is about 608.5708602103.
The spelling of 225389386 in words is "two hundred twenty-five million, three hundred eighty-nine thousand, three hundred eighty-six".
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