Base | Representation |
---|---|
bin | 11001010111100… |
… | …10001100010000 |
3 | 112211102120201021 |
4 | 30223302030100 |
5 | 413434214433 |
6 | 33041045224 |
7 | 5162543620 |
oct | 1453621420 |
9 | 484376637 |
10 | 212804368 |
11 | aa139087 |
12 | 5b326814 |
13 | 3511b45a |
14 | 20396880 |
15 | 13a3822d |
hex | caf2310 |
212804368 has 40 divisors (see below), whose sum is σ = 498932352. Its totient is φ = 85836288.
The previous prime is 212804357. The next prime is 212804393. The reversal of 212804368 is 863408212.
It is a Harshad number since it is a multiple of its sum of digits (34).
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, 53980 + ... + 57787.
Almost surely, 2212804368 is an apocalyptic number.
212804368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
212804368 is an abundant number, since it is smaller than the sum of its proper divisors (286127984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212804368 is a wasteful number, since it uses less digits than its factorization.
212804368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111799 (or 111793 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 34.
The square root of 212804368 is about 14587.8157377998. The cubic root of 212804368 is about 597.0263683528.
The spelling of 212804368 in words is "two hundred twelve million, eight hundred four thousand, three hundred sixty-eight".
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