Base | Representation |
---|---|
bin | 11001011010100… |
… | …11010010000100 |
3 | 112212011210020022 |
4 | 30231103102010 |
5 | 414034431202 |
6 | 33053354312 |
7 | 5166121220 |
oct | 1455232204 |
9 | 485153208 |
10 | 213202052 |
11 | aa38a948 |
12 | 5b498998 |
13 | 3522a47b |
14 | 2045b780 |
15 | 13ab5ea2 |
hex | cb53484 |
213202052 has 24 divisors (see below), whose sum is σ = 426765696. Its totient is φ = 91294848.
The previous prime is 213202051. The next prime is 213202109. The reversal of 213202052 is 250202312.
It is a super-2 number, since 2×2132020522 = 90910229954021408, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 213202052.
It is not an unprimeable number, because it can be changed into a prime (213202051) 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, 41033 + ... + 45935.
It is an arithmetic number, because the mean of its divisors is an integer number (17781904).
Almost surely, 2213202052 is an apocalyptic number.
It is an amenable number.
213202052 is an abundant number, since it is smaller than the sum of its proper divisors (213563644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213202052 is a wasteful number, since it uses less digits than its factorization.
213202052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6467 (or 6465 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 213202052 is about 14601.4400659661. The cubic root of 213202052 is about 597.3980400591.
Adding to 213202052 its reverse (250202312), we get a palindrome (463404364).
The spelling of 213202052 in words is "two hundred thirteen million, two hundred two thousand, fifty-two".
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