Base | Representation |
---|---|
bin | 101010110001… |
… | …1100111110111 |
3 | 1120012110122021 |
4 | 1111203213313 |
5 | 21220200101 |
6 | 2120414011 |
7 | 361431124 |
oct | 125434767 |
9 | 46173567 |
10 | 22428151 |
11 | 11729669 |
12 | 7617307 |
13 | 48536c5 |
14 | 2d9b74b |
15 | 1e805a1 |
hex | 15639f7 |
22428151 has 16 divisors (see below), whose sum is σ = 26092800. Its totient is φ = 19122048.
The previous prime is 22428149. The next prime is 22428157. The reversal of 22428151 is 15182422.
It is a cyclic number.
It is not a de Polignac number, because 22428151 - 21 = 22428149 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22428157) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5920 + ... + 8938.
It is an arithmetic number, because the mean of its divisors is an integer number (1630800).
Almost surely, 222428151 is an apocalyptic number.
22428151 is a deficient number, since it is larger than the sum of its proper divisors (3664649).
22428151 is a wasteful number, since it uses less digits than its factorization.
22428151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3078.
The product of its digits is 1280, while the sum is 25.
The square root of 22428151 is about 4735.8368848600. The cubic root of 22428151 is about 282.0099882450.
The spelling of 22428151 in words is "twenty-two million, four hundred twenty-eight thousand, one hundred fifty-one".
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