Base | Representation |
---|---|
bin | 11001101000110… |
… | …11000000000010 |
3 | 112222200121202110 |
4 | 30310123000002 |
5 | 420024144144 |
6 | 33201400150 |
7 | 5221024242 |
oct | 1464330002 |
9 | 488617673 |
10 | 215068674 |
11 | 100445307 |
12 | 60039056 |
13 | 35731c92 |
14 | 207c5b22 |
15 | 13d340b9 |
hex | cd1b002 |
215068674 has 16 divisors (see below), whose sum is σ = 432391680. Its totient is φ = 71313840.
The previous prime is 215068661. The next prime is 215068681. The reversal of 215068674 is 476860512.
It is a super-2 number, since 2×2150686742 = 92509069072236552, 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, 92689 + ... + 94980.
It is an arithmetic number, because the mean of its divisors is an integer number (27024480).
Almost surely, 2215068674 is an apocalyptic number.
215068674 is an abundant number, since it is smaller than the sum of its proper divisors (217323006).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
215068674 is a wasteful number, since it uses less digits than its factorization.
215068674 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 187865.
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 215068674 is about 14665.2198756105. The cubic root of 215068674 is about 599.1364187532.
The spelling of 215068674 in words is "two hundred fifteen million, sixty-eight thousand, six hundred seventy-four".
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