Base | Representation |
---|---|
bin | 100110101101… |
… | …0010111001000 |
3 | 1102011222211222 |
4 | 1031122113020 |
5 | 20143334224 |
6 | 2002541212 |
7 | 334326311 |
oct | 115322710 |
9 | 42158758 |
10 | 20293064 |
11 | 10500530 |
12 | 6967808 |
13 | 428693c |
14 | 29a3608 |
15 | 1bacb5e |
hex | 135a5c8 |
20293064 has 64 divisors (see below), whose sum is σ = 44712000. Its totient is φ = 8536320.
The previous prime is 20292997. The next prime is 20293067. The reversal of 20293064 is 46039202.
It is not an unprimeable number, because it can be changed into a prime (20293067) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88502 + ... + 88730.
It is an arithmetic number, because the mean of its divisors is an integer number (698625).
Almost surely, 220293064 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20293064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22356000).
20293064 is an abundant number, since it is smaller than the sum of its proper divisors (24418936).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20293064 is a wasteful number, since it uses less digits than its factorization.
20293064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 318 (or 314 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 26.
The square root of 20293064 is about 4504.7823476834. The cubic root of 20293064 is about 272.7611681239.
The spelling of 20293064 in words is "twenty million, two hundred ninety-three thousand, sixty-four".
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