Base | Representation |
---|---|
bin | 11001011111110… |
… | …10011011110110 |
3 | 112220110120102000 |
4 | 30233322123312 |
5 | 414223333320 |
6 | 33120200130 |
7 | 5205002262 |
oct | 1457723366 |
9 | 486416360 |
10 | 213886710 |
11 | aa808284 |
12 | 5b769046 |
13 | 35409cab |
14 | 205990a2 |
15 | 13b9dc90 |
hex | cbfa6f6 |
213886710 has 64 divisors (see below), whose sum is σ = 575976960. Its totient is φ = 56475360.
The previous prime is 213886703. The next prime is 213886711. The reversal of 213886710 is 17688312.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (213886711) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23965 + ... + 31655.
It is an arithmetic number, because the mean of its divisors is an integer number (8999640).
Almost surely, 2213886710 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 213886710, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287988480).
213886710 is an abundant number, since it is smaller than the sum of its proper divisors (362090250).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213886710 is a wasteful number, since it uses less digits than its factorization.
213886710 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7810 (or 7804 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 213886710 is about 14624.8661532337. The cubic root of 213886710 is about 598.0368336353.
The spelling of 213886710 in words is "two hundred thirteen million, eight hundred eighty-six thousand, seven hundred ten".
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