Base | Representation |
---|---|
bin | 11010110101010… |
… | …01001011010111 |
3 | 120200112122222120 |
4 | 31122221023113 |
5 | 430110310330 |
6 | 34200231023 |
7 | 5402134602 |
oct | 1532511327 |
9 | 520478876 |
10 | 225088215 |
11 | 106069120 |
12 | 6346b473 |
13 | 3782c6c1 |
14 | 21c73339 |
15 | 14b62c10 |
hex | d6a92d7 |
225088215 has 32 divisors (see below), whose sum is σ = 393659136. Its totient is φ = 108917760.
The previous prime is 225088207. The next prime is 225088219. The reversal of 225088215 is 512880522.
It is not a de Polignac number, because 225088215 - 23 = 225088207 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (225088219) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110032 + ... + 112058.
It is an arithmetic number, because the mean of its divisors is an integer number (12301848).
Almost surely, 2225088215 is an apocalyptic number.
225088215 is a deficient number, since it is larger than the sum of its proper divisors (168570921).
225088215 is a wasteful number, since it uses less digits than its factorization.
225088215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2719.
The product of its (nonzero) digits is 12800, while the sum is 33.
The square root of 225088215 is about 15002.9402118385. The cubic root of 225088215 is about 608.2996767935.
The spelling of 225088215 in words is "two hundred twenty-five million, eighty-eight thousand, two hundred fifteen".
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