Base | Representation |
---|---|
bin | 101001111111… |
… | …0010001100110 |
3 | 1112102101012102 |
4 | 1103332101212 |
5 | 21113404110 |
6 | 2103452102 |
7 | 355051634 |
oct | 123762146 |
9 | 45371172 |
10 | 22013030 |
11 | 11475796 |
12 | 7457032 |
13 | 4739780 |
14 | 2cd0354 |
15 | 1dec5a5 |
hex | 14fe466 |
22013030 has 32 divisors (see below), whose sum is σ = 44150400. Its totient is φ = 7846272.
The previous prime is 22013029. The next prime is 22013063. The reversal of 22013030 is 3031022.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 851 + ... + 6689.
It is an arithmetic number, because the mean of its divisors is an integer number (1379700).
Almost surely, 222013030 is an apocalyptic number.
22013030 is an abundant number, since it is smaller than the sum of its proper divisors (22137370).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22013030 is a wasteful number, since it uses less digits than its factorization.
22013030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5888.
The product of its (nonzero) digits is 36, while the sum is 11.
The square root of 22013030 is about 4691.8045568843. The cubic root of 22013030 is about 280.2592411970.
Adding to 22013030 its reverse (3031022), we get a palindrome (25044052).
The spelling of 22013030 in words is "twenty-two million, thirteen thousand, thirty".
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