Base | Representation |
---|---|
bin | 11001011001010… |
… | …01100111110110 |
3 | 112211212010011101 |
4 | 30230221213312 |
5 | 414014001124 |
6 | 33050000314 |
7 | 5164510561 |
oct | 1454514766 |
9 | 484763141 |
10 | 213031414 |
11 | aa283722 |
12 | 5b41609a |
13 | 3519a8bb |
14 | 204154d8 |
15 | 13a80644 |
hex | cb299f6 |
213031414 has 8 divisors (see below), whose sum is σ = 321986808. Its totient is φ = 105702480.
The previous prime is 213031397. The next prime is 213031421. The reversal of 213031414 is 414130312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 213031391 and 213031400.
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, 406287 + ... + 406810.
It is an arithmetic number, because the mean of its divisors is an integer number (40248351).
Almost surely, 2213031414 is an apocalyptic number.
213031414 is a deficient number, since it is larger than the sum of its proper divisors (108955394).
213031414 is a wasteful number, since it uses less digits than its factorization.
213031414 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 813230.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 213031414 is about 14595.5957055545. The cubic root of 213031414 is about 597.2386200570.
Adding to 213031414 its reverse (414130312), we get a palindrome (627161726).
The spelling of 213031414 in words is "two hundred thirteen million, thirty-one thousand, four hundred fourteen".
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