Base | Representation |
---|---|
bin | 100110100001… |
… | …0111111111000 |
3 | 1102000010120200 |
4 | 1031002333320 |
5 | 20132303433 |
6 | 2000522200 |
7 | 333450312 |
oct | 115027770 |
9 | 42003520 |
10 | 20197368 |
11 | 10445644 |
12 | 6920360 |
13 | 4252209 |
14 | 297a7b2 |
15 | 1b8e613 |
hex | 1342ff8 |
20197368 has 48 divisors (see below), whose sum is σ = 56472000. Its totient is φ = 6514560.
The previous prime is 20197349. The next prime is 20197391. The reversal of 20197368 is 86379102.
20197368 is a `hidden beast` number, since 201 + 97 + 368 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2293 + ... + 6756.
It is an arithmetic number, because the mean of its divisors is an integer number (1176500).
Almost surely, 220197368 is an apocalyptic number.
It is an amenable number.
20197368 is an abundant number, since it is smaller than the sum of its proper divisors (36274632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20197368 is a wasteful number, since it uses less digits than its factorization.
20197368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9092 (or 9085 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 20197368 is about 4494.1481951533. The cubic root of 20197368 is about 272.3317391238.
The spelling of 20197368 in words is "twenty million, one hundred ninety-seven thousand, three hundred sixty-eight".
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