Base | Representation |
---|---|
bin | 11001011100101… |
… | …01001100110111 |
3 | 112212200111121102 |
4 | 30232111030313 |
5 | 414122101210 |
6 | 33103240315 |
7 | 5201324336 |
oct | 1456251467 |
9 | 485614542 |
10 | 213472055 |
11 | aa554795 |
12 | 5b5a909b |
13 | 352c3334 |
14 | 204cbd1d |
15 | 13b1aea5 |
hex | cb95337 |
213472055 has 16 divisors (see below), whose sum is σ = 263723040. Its totient is φ = 165762432.
The previous prime is 213472033. The next prime is 213472057. The reversal of 213472055 is 550274312.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 213472055 - 26 = 213471991 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213472057) 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, 93032 + ... + 95298.
It is an arithmetic number, because the mean of its divisors is an integer number (16482690).
Almost surely, 2213472055 is an apocalyptic number.
213472055 is a deficient number, since it is larger than the sum of its proper divisors (50250985).
213472055 is a wasteful number, since it uses less digits than its factorization.
213472055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2818.
The product of its (nonzero) digits is 8400, while the sum is 29.
The square root of 213472055 is about 14610.6829066954. The cubic root of 213472055 is about 597.6501189651.
The spelling of 213472055 in words is "two hundred thirteen million, four hundred seventy-two thousand, fifty-five".
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