Base | Representation |
---|---|
bin | 11001011010111… |
… | …11100000111001 |
3 | 112212021022221220 |
4 | 30231133200321 |
5 | 414043032103 |
6 | 33054422253 |
7 | 5166420252 |
oct | 1455374071 |
9 | 485238856 |
10 | 213252153 |
11 | aa414554 |
12 | 5b501989 |
13 | 3524720a |
14 | 20471b29 |
15 | 13ac5c53 |
hex | cb5f839 |
213252153 has 8 divisors (see below), whose sum is σ = 286039488. Its totient is φ = 141316464.
The previous prime is 213252133. The next prime is 213252161. The reversal of 213252153 is 351252312.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 213252153 - 28 = 213251897 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (213252133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212326 + ... + 213327.
It is an arithmetic number, because the mean of its divisors is an integer number (35754936).
Almost surely, 2213252153 is an apocalyptic number.
It is an amenable number.
213252153 is a deficient number, since it is larger than the sum of its proper divisors (72787335).
213252153 is a wasteful number, since it uses less digits than its factorization.
213252153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 425823.
The product of its digits is 1800, while the sum is 24.
The square root of 213252153 is about 14603.1555836401. The cubic root of 213252153 is about 597.4448311895. Note that the first 3 decimals are identical.
It can be divided in two parts, 2132 and 52153, that added together give a triangular number (54285 = T329).
The spelling of 213252153 in words is "two hundred thirteen million, two hundred fifty-two thousand, one hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •