Base | Representation |
---|---|
bin | 1000010010111111… |
… | …0011010000101000 |
3 | 12202012201120201221 |
4 | 2010233303100220 |
5 | 14030120420430 |
6 | 1004554551424 |
7 | 106122143446 |
oct | 20457632050 |
9 | 5665646657 |
10 | 2227123240 |
11 | a43175721 |
12 | 521a38574 |
13 | 29653a104 |
14 | 171adbb96 |
15 | d07c857a |
hex | 84bf3428 |
2227123240 has 32 divisors (see below), whose sum is σ = 5146463880. Its totient is φ = 866771712.
The previous prime is 2227123219. The next prime is 2227123253. The reversal of 2227123240 is 423217222.
It can be written as a sum of positive squares in 4 ways, for example, as 2025540036 + 201583204 = 45006^2 + 14198^2 .
It is a super-2 number, since 2×22271232402 = 9920155852296195200, which contains 22 as substring.
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, 750927 + ... + 753886.
Almost surely, 22227123240 is an apocalyptic number.
2227123240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2227123240 is an abundant number, since it is smaller than the sum of its proper divisors (2919340640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2227123240 is a wasteful number, since it uses less digits than its factorization.
2227123240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1504861 (or 1504857 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 25.
The square root of 2227123240 is about 47192.4065925865. The cubic root of 2227123240 is about 1305.9145177852.
The spelling of 2227123240 in words is "two billion, two hundred twenty-seven million, one hundred twenty-three thousand, two hundred forty".
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