Base | Representation |
---|---|
bin | 11001011001110… |
… | …10011100110110 |
3 | 112211222121201021 |
4 | 30230322130312 |
5 | 414023202332 |
6 | 33051251354 |
7 | 5165215540 |
oct | 1454723466 |
9 | 484877637 |
10 | 213100342 |
11 | aa320494 |
12 | 5b449b5a |
13 | 351c30a0 |
14 | 20432690 |
15 | 13a95c97 |
hex | cb3a736 |
213100342 has 32 divisors (see below), whose sum is σ = 398184192. Its totient is φ = 83281824.
The previous prime is 213100331. The next prime is 213100343. The reversal of 213100342 is 243001312.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213100343) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8053 + ... + 22159.
It is an arithmetic number, because the mean of its divisors is an integer number (12443256).
Almost surely, 2213100342 is an apocalyptic number.
213100342 is a deficient number, since it is larger than the sum of its proper divisors (185083850).
213100342 is a wasteful number, since it uses less digits than its factorization.
213100342 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14212.
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 213100342 is about 14597.9567748367. The cubic root of 213100342 is about 597.3030268718.
Adding to 213100342 its reverse (243001312), we get a palindrome (456101654).
The spelling of 213100342 in words is "two hundred thirteen million, one hundred thousand, three hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.103 sec. • engine limits •