Base | Representation |
---|---|
bin | 11001011110110… |
… | …00011100001100 |
3 | 112220012111101220 |
4 | 30233120130030 |
5 | 414204404333 |
6 | 33113203340 |
7 | 5203552314 |
oct | 1457303414 |
9 | 486174356 |
10 | 213747468 |
11 | aa722700 |
12 | 5b700550 |
13 | 3538b7bc |
14 | 20560444 |
15 | 13b728b3 |
hex | cbd870c |
213747468 has 36 divisors (see below), whose sum is σ = 548210040. Its totient is φ = 64771520.
The previous prime is 213747461. The next prime is 213747481. The reversal of 213747468 is 864747312.
213747468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2137474682 = 91375960152822048, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (213747461) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72153 + ... + 75056.
Almost surely, 2213747468 is an apocalyptic number.
It is an amenable number.
213747468 is an abundant number, since it is smaller than the sum of its proper divisors (334462572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213747468 is a wasteful number, since it uses less digits than its factorization.
213747468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147238 (or 147225 counting only the distinct ones).
The product of its digits is 225792, while the sum is 42.
The square root of 213747468 is about 14620.1049243841. The cubic root of 213747468 is about 597.9070298379.
The spelling of 213747468 in words is "two hundred thirteen million, seven hundred forty-seven thousand, four hundred sixty-eight".
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