Base | Representation |
---|---|
bin | 101010001111… |
… | …1110001010110 |
3 | 1112200100101220 |
4 | 1110133301112 |
5 | 21132301410 |
6 | 2110431210 |
7 | 356162634 |
oct | 124376126 |
9 | 45610356 |
10 | 22150230 |
11 | 11559883 |
12 | 7502506 |
13 | 478705b |
14 | 2d28354 |
15 | 1e28070 |
hex | 151fc56 |
22150230 has 16 divisors (see below), whose sum is σ = 53160624. Its totient is φ = 5906720.
The previous prime is 22150223. The next prime is 22150243. The reversal of 22150230 is 3205122.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369141 + ... + 369200.
It is an arithmetic number, because the mean of its divisors is an integer number (3322539).
Almost surely, 222150230 is an apocalyptic number.
22150230 is an abundant number, since it is smaller than the sum of its proper divisors (31010394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22150230 is a wasteful number, since it uses less digits than its factorization.
22150230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 738351.
The product of its (nonzero) digits is 120, while the sum is 15.
The square root of 22150230 is about 4706.4030851596. The cubic root of 22150230 is about 280.8402903608.
Adding to 22150230 its reverse (3205122), we get a palindrome (25355352).
The spelling of 22150230 in words is "twenty-two million, one hundred fifty thousand, two hundred thirty".
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