Base | Representation |
---|---|
bin | 101010001101… |
… | …0001100101110 |
3 | 1112122012002120 |
4 | 1110122030232 |
5 | 21131034111 |
6 | 2110133410 |
7 | 356036250 |
oct | 124321456 |
9 | 45565076 |
10 | 22127406 |
11 | 11543714 |
12 | 74b1266 |
13 | 4779852 |
14 | 2d1dcd0 |
15 | 1e21406 |
hex | 151a32e |
22127406 has 64 divisors (see below), whose sum is σ = 53844480. Its totient is φ = 5927040.
The previous prime is 22127401. The next prime is 22127429. The reversal of 22127406 is 60472122.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22127401) 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, 44821 + ... + 45311.
It is an arithmetic number, because the mean of its divisors is an integer number (841320).
Almost surely, 222127406 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22127406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26922240).
22127406 is an abundant number, since it is smaller than the sum of its proper divisors (31717074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22127406 is a wasteful number, since it uses less digits than its factorization.
22127406 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 569.
The product of its (nonzero) digits is 1344, while the sum is 24.
The square root of 22127406 is about 4703.9776785185. The cubic root of 22127406 is about 280.7437962284.
Adding to 22127406 its reverse (60472122), we get a palindrome (82599528).
The spelling of 22127406 in words is "twenty-two million, one hundred twenty-seven thousand, four hundred six".
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