Base | Representation |
---|---|
bin | 101000100111… |
… | …1000000010110 |
3 | 1111001220102101 |
4 | 1101033000112 |
5 | 20422421001 |
6 | 2040232314 |
7 | 346001626 |
oct | 121170026 |
9 | 44056371 |
10 | 21295126 |
11 | 11025386 |
12 | 716b69a |
13 | 4547a88 |
14 | 2b84886 |
15 | 1d09a01 |
hex | 144f016 |
21295126 has 8 divisors (see below), whose sum is σ = 31970160. Its totient is φ = 10638408.
The previous prime is 21295117. The next prime is 21295133. The reversal of 21295126 is 62159212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 21295094 and 21295103.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1161 + ... + 6628.
It is an arithmetic number, because the mean of its divisors is an integer number (3996270).
Almost surely, 221295126 is an apocalyptic number.
21295126 is a deficient number, since it is larger than the sum of its proper divisors (10675034).
21295126 is a wasteful number, since it uses less digits than its factorization.
21295126 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9158.
The product of its digits is 2160, while the sum is 28.
The square root of 21295126 is about 4614.6642348063. The cubic root of 21295126 is about 277.1788390138.
The spelling of 21295126 in words is "twenty-one million, two hundred ninety-five thousand, one hundred twenty-six".
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