Base | Representation |
---|---|
bin | 11001011000101… |
… | …00111011011000 |
3 | 112211200210212220 |
4 | 30230110323120 |
5 | 414003243043 |
6 | 33044104040 |
7 | 5164005465 |
oct | 1454247330 |
9 | 484623786 |
10 | 212946648 |
11 | aa225a72 |
12 | 5b395020 |
13 | 3516b145 |
14 | 203d266c |
15 | 13a65483 |
hex | cb14ed8 |
212946648 has 32 divisors (see below), whose sum is σ = 532854960. Its totient is φ = 70917120.
The previous prime is 212946637. The next prime is 212946653. The reversal of 212946648 is 846649212.
212946648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27708 + ... + 34548.
Almost surely, 2212946648 is an apocalyptic number.
It is an amenable number.
212946648 is an abundant number, since it is smaller than the sum of its proper divisors (319908312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212946648 is a wasteful number, since it uses less digits than its factorization.
212946648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8147 (or 8143 counting only the distinct ones).
The product of its digits is 165888, while the sum is 42.
The square root of 212946648 is about 14592.6915954528. The cubic root of 212946648 is about 597.1593950512.
The spelling of 212946648 in words is "two hundred twelve million, nine hundred forty-six thousand, six hundred forty-eight".
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