Base | Representation |
---|---|
bin | 11001011110010… |
… | …10010101001100 |
3 | 112220002120010110 |
4 | 30233022111030 |
5 | 414201032201 |
6 | 33112040020 |
7 | 5203221654 |
oct | 1457122514 |
9 | 486076113 |
10 | 213689676 |
11 | aa693242 |
12 | 5b693010 |
13 | 3536b3c5 |
14 | 20547364 |
15 | 13b606d6 |
hex | cbca54c |
213689676 has 24 divisors (see below), whose sum is σ = 499322880. Its totient is φ = 71127952.
The previous prime is 213689633. The next prime is 213689701. The reversal of 213689676 is 676986312.
213689676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
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, 3756 + ... + 21011.
It is an arithmetic number, because the mean of its divisors is an integer number (20805120).
Almost surely, 2213689676 is an apocalyptic number.
It is an amenable number.
213689676 is an abundant number, since it is smaller than the sum of its proper divisors (285633204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213689676 is a wasteful number, since it uses less digits than its factorization.
213689676 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25493 (or 25491 counting only the distinct ones).
The product of its digits is 653184, while the sum is 48.
The square root of 213689676 is about 14618.1283343662. The cubic root of 213689676 is about 597.8531385832.
The spelling of 213689676 in words is "two hundred thirteen million, six hundred eighty-nine thousand, six hundred seventy-six".
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