Base | Representation |
---|---|
bin | 101010110101… |
… | …0001101011011 |
3 | 1120020211122112 |
4 | 1111222031123 |
5 | 21222031011 |
6 | 2121142535 |
7 | 361602566 |
oct | 125521533 |
9 | 46224575 |
10 | 22455131 |
11 | 11747966 |
12 | 762aa4b |
13 | 4862a7a |
14 | 2da74dd |
15 | 1e8858b |
hex | 156a35b |
22455131 has 8 divisors (see below), whose sum is σ = 23688720. Its totient is φ = 21226752.
The previous prime is 22455101. The next prime is 22455149. The reversal of 22455131 is 13155422.
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 22455131 - 218 = 22192987 is a prime.
It is a super-2 number, since 2×224551312 = 1008465816454322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 22455097 and 22455106.
It is not an unprimeable number, because it can be changed into a prime (22455101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10271 + ... + 12263.
It is an arithmetic number, because the mean of its divisors is an integer number (2961090).
Almost surely, 222455131 is an apocalyptic number.
22455131 is a deficient number, since it is larger than the sum of its proper divisors (1233589).
22455131 is a wasteful number, since it uses less digits than its factorization.
22455131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2605.
The product of its digits is 1200, while the sum is 23.
The square root of 22455131 is about 4738.6845221010. The cubic root of 22455131 is about 282.1230244702.
It can be divided in two parts, 224 and 55131, that added together give a palindrome (55355).
The spelling of 22455131 in words is "twenty-two million, four hundred fifty-five thousand, one hundred thirty-one".
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