Base | Representation |
---|---|
bin | 11010111010110… |
… | …01111110010001 |
3 | 120201220110100002 |
4 | 31131121332101 |
5 | 430301443434 |
6 | 34223535345 |
7 | 5411242046 |
oct | 1535317621 |
9 | 521813302 |
10 | 225812369 |
11 | 1065131a2 |
12 | 6375a555 |
13 | 37a241b3 |
14 | 21dc11cd |
15 | 14c5757e |
hex | d759f91 |
225812369 has 8 divisors (see below), whose sum is σ = 232541760. Its totient is φ = 219116016.
The previous prime is 225812351. The next prime is 225812417. The reversal of 225812369 is 963218522.
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 225812369 - 28 = 225812113 is a prime.
It is a super-2 number, since 2×2258123692 = 101982451986784322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (225812329) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5972 + ... + 22074.
It is an arithmetic number, because the mean of its divisors is an integer number (29067720).
Almost surely, 2225812369 is an apocalyptic number.
It is an amenable number.
225812369 is a deficient number, since it is larger than the sum of its proper divisors (6729391).
225812369 is a wasteful number, since it uses less digits than its factorization.
225812369 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16519.
The product of its digits is 51840, while the sum is 38.
The square root of 225812369 is about 15027.0545683444. The cubic root of 225812369 is about 608.9513192196.
The spelling of 225812369 in words is "two hundred twenty-five million, eight hundred twelve thousand, three hundred sixty-nine".
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