Base | Representation |
---|---|
bin | 11001101010111… |
… | …11000100001100 |
3 | 120000012210012011 |
4 | 30311133010030 |
5 | 420112104333 |
6 | 33211351004 |
7 | 5223265120 |
oct | 1465370414 |
9 | 500183164 |
10 | 215347468 |
11 | 100615816 |
12 | 60152464 |
13 | 357cbb4b |
14 | 20859580 |
15 | 13d8b9cd |
hex | cd5f10c |
215347468 has 12 divisors (see below), whose sum is σ = 430694992. Its totient is φ = 92291760.
The previous prime is 215347439. The next prime is 215347471. The reversal of 215347468 is 864743512.
215347468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
215347468 is an admirable number.
It is a super-2 number, since 2×2153474682 = 92749063948022048, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 215347468.
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, 3845463 + ... + 3845518.
Almost surely, 2215347468 is an apocalyptic number.
215347468 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
215347468 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215347468 is a wasteful number, since it uses less digits than its factorization.
215347468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7690992 (or 7690990 counting only the distinct ones).
The product of its digits is 161280, while the sum is 40.
The square root of 215347468 is about 14674.7220757328. The cubic root of 215347468 is about 599.3951942586.
The spelling of 215347468 in words is "two hundred fifteen million, three hundred forty-seven thousand, four hundred sixty-eight".
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