Base | Representation |
---|---|
bin | 100111100111… |
… | …0111001000000 |
3 | 1110002020120220 |
4 | 1033032321000 |
5 | 20304122433 |
6 | 2021103040 |
7 | 341355003 |
oct | 117167100 |
9 | 43066526 |
10 | 20770368 |
11 | 107a70a3 |
12 | 6b57a80 |
13 | 43c2c78 |
14 | 2a8953a |
15 | 1c542b3 |
hex | 13cee40 |
20770368 has 28 divisors (see below), whose sum is σ = 54955440. Its totient is φ = 6923392.
The previous prime is 20770361. The next prime is 20770397. The reversal of 20770368 is 86307702.
It is not an unprimeable number, because it can be changed into a prime (20770361) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53898 + ... + 54281.
Almost surely, 220770368 is an apocalyptic number.
It is an amenable number.
20770368 is an abundant number, since it is smaller than the sum of its proper divisors (34185072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20770368 is a wasteful number, since it uses less digits than its factorization.
20770368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108194 (or 108184 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 33.
The square root of 20770368 is about 4557.4519196586. The cubic root of 20770368 is about 274.8831150650.
The spelling of 20770368 in words is "twenty million, seven hundred seventy thousand, three hundred sixty-eight".
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