Base | Representation |
---|---|
bin | 101010111000… |
… | …0010110011100 |
3 | 1120022010011010 |
4 | 1111300112130 |
5 | 21223332114 |
6 | 2121455220 |
7 | 362036121 |
oct | 125602634 |
9 | 46263133 |
10 | 22480284 |
11 | 11764852 |
12 | 7641510 |
13 | 4871358 |
14 | 2db2748 |
15 | 1e90c59 |
hex | 157059c |
22480284 has 12 divisors (see below), whose sum is σ = 52454024. Its totient is φ = 7493424.
The previous prime is 22480279. The next prime is 22480291. The reversal of 22480284 is 48208422.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936667 + ... + 936690.
Almost surely, 222480284 is an apocalyptic number.
It is an amenable number.
22480284 is an abundant number, since it is smaller than the sum of its proper divisors (29973740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22480284 is a wasteful number, since it uses less digits than its factorization.
22480284 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1873364 (or 1873362 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 30.
The square root of 22480284 is about 4741.3377858997. The cubic root of 22480284 is about 282.2283247165.
It can be divided in two parts, 224 and 80284, that added together give a palindrome (80508).
The spelling of 22480284 in words is "twenty-two million, four hundred eighty thousand, two hundred eighty-four".
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