Base | Representation |
---|---|
bin | 11001011010100… |
… | …01111010110100 |
3 | 112212011111120111 |
4 | 30231101322310 |
5 | 414034241333 |
6 | 33053312404 |
7 | 5166066022 |
oct | 1455217264 |
9 | 485144514 |
10 | 213196468 |
11 | aa386731 |
12 | 5b495704 |
13 | 35227a74 |
14 | 20459712 |
15 | 13ab44cd |
hex | cb51eb4 |
213196468 has 12 divisors (see below), whose sum is σ = 374153220. Its totient is φ = 106295552.
The previous prime is 213196421. The next prime is 213196471. The reversal of 213196468 is 864691312.
It can be written as a sum of positive squares in 2 ways, for example, as 91049764 + 122146704 = 9542^2 + 11052^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 213196468.
It is a congruent number.
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, 74083 + ... + 76906.
It is an arithmetic number, because the mean of its divisors is an integer number (31179435).
Almost surely, 2213196468 is an apocalyptic number.
It is an amenable number.
213196468 is a deficient number, since it is larger than the sum of its proper divisors (160956752).
213196468 is a wasteful number, since it uses less digits than its factorization.
213196468 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151346 (or 151344 counting only the distinct ones).
The product of its digits is 62208, while the sum is 40.
The square root of 213196468 is about 14601.2488506977. The cubic root of 213196468 is about 597.3928245061.
The spelling of 213196468 in words is "two hundred thirteen million, one hundred ninety-six thousand, four hundred sixty-eight".
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