Base | Representation |
---|---|
bin | 11001011011111… |
… | …10101001100010 |
3 | 112212111210220012 |
4 | 30231332221202 |
5 | 414111122212 |
6 | 33101244522 |
7 | 5200461125 |
oct | 1455765142 |
9 | 485453805 |
10 | 213379682 |
11 | aa4a134a |
12 | 5b563742 |
13 | 35290289 |
14 | 204a63bc |
15 | 13aed922 |
hex | cb7ea62 |
213379682 has 12 divisors (see below), whose sum is σ = 340005570. Its totient is φ = 100413696.
The previous prime is 213379627. The next prime is 213379687. The reversal of 213379682 is 286973312.
It can be written as a sum of positive squares in 3 ways, for example, as 205091041 + 8288641 = 14321^2 + 2879^2 .
It is a super-2 number, since 2×2133796822 = 91061777380842248, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (213379687) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184007 + ... + 185162.
Almost surely, 2213379682 is an apocalyptic number.
213379682 is a deficient number, since it is larger than the sum of its proper divisors (126625888).
213379682 is a wasteful number, since it uses less digits than its factorization.
213379682 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 369205 (or 369188 counting only the distinct ones).
The product of its digits is 108864, while the sum is 41.
The square root of 213379682 is about 14607.5214187760. The cubic root of 213379682 is about 597.5639020606.
The spelling of 213379682 in words is "two hundred thirteen million, three hundred seventy-nine thousand, six hundred eighty-two".
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