Base | Representation |
---|---|
bin | 11010111001110… |
… | …01101010001101 |
3 | 120201122201210000 |
4 | 31130321222031 |
5 | 430233230023 |
6 | 34221034513 |
7 | 5410151136 |
oct | 1534715215 |
9 | 521581700 |
10 | 225680013 |
11 | 106432809 |
12 | 636b5a39 |
13 | 379a8b90 |
14 | 21d88c8d |
15 | 14c2d243 |
hex | d739a8d |
225680013 has 40 divisors (see below), whose sum is σ = 366635808. Its totient is φ = 137513376.
The previous prime is 225680009. The next prime is 225680017. The reversal of 225680013 is 310086522.
It is an interprime number because it is at equal distance from previous prime (225680009) and next prime (225680017).
It is not a de Polignac number, because 225680013 - 22 = 225680009 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (225680017) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 111670 + ... + 113672.
Almost surely, 2225680013 is an apocalyptic number.
It is an amenable number.
225680013 is a deficient number, since it is larger than the sum of its proper divisors (140955795).
225680013 is a wasteful number, since it uses less digits than its factorization.
225680013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2135 (or 2126 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 225680013 is about 15022.6499992511. The cubic root of 225680013 is about 608.8323205521.
The spelling of 225680013 in words is "two hundred twenty-five million, six hundred eighty thousand, thirteen".
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