Base | Representation |
---|---|
bin | 11001011001010… |
… | …01110010011010 |
3 | 112211212011002102 |
4 | 30230221302122 |
5 | 414014011330 |
6 | 33050003402 |
7 | 5164512545 |
oct | 1454516232 |
9 | 484764072 |
10 | 213032090 |
11 | aa284187 |
12 | 5b416562 |
13 | 3519acbb |
14 | 2041585c |
15 | 13a80945 |
hex | cb29c9a |
213032090 has 8 divisors (see below), whose sum is σ = 383457780. Its totient is φ = 85212832.
The previous prime is 213032089. The next prime is 213032101. The reversal of 213032090 is 90230312.
213032090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 200194201 + 12837889 = 14149^2 + 3583^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
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, 10651595 + ... + 10651614.
Almost surely, 2213032090 is an apocalyptic number.
213032090 is a deficient number, since it is larger than the sum of its proper divisors (170425690).
213032090 is a wasteful number, since it uses less digits than its factorization.
213032090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21303216.
The product of its (nonzero) digits is 324, while the sum is 20.
The square root of 213032090 is about 14595.6188632069. The cubic root of 213032090 is about 597.2392517837.
The spelling of 213032090 in words is "two hundred thirteen million, thirty-two thousand, ninety".
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