Base | Representation |
---|---|
bin | 11001011001101… |
… | …01000100011100 |
3 | 112211221111110220 |
4 | 30230311010130 |
5 | 414022001200 |
6 | 33051001340 |
7 | 5165064351 |
oct | 1454650434 |
9 | 484844426 |
10 | 213078300 |
11 | aa305976 |
12 | 5b439250 |
13 | 351b6046 |
14 | 20428628 |
15 | 13a8e4a0 |
hex | cb3511c |
213078300 has 36 divisors (see below), whose sum is σ = 616507416. Its totient is φ = 56820800.
The previous prime is 213078277. The next prime is 213078311. The reversal of 213078300 is 3870312.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354831 + ... + 355430.
It is an arithmetic number, because the mean of its divisors is an integer number (17125206).
Almost surely, 2213078300 is an apocalyptic number.
213078300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
213078300 is an abundant number, since it is smaller than the sum of its proper divisors (403429116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213078300 is a wasteful number, since it uses less digits than its factorization.
213078300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 710278 (or 710271 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 213078300 is about 14597.2017866439. The cubic root of 213078300 is about 597.2824321805.
The spelling of 213078300 in words is "two hundred thirteen million, seventy-eight thousand, three hundred".
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