Base | Representation |
---|---|
bin | 100111101010… |
… | …1000000000000 |
3 | 1110010111220201 |
4 | 1033111000000 |
5 | 20310423032 |
6 | 2021414544 |
7 | 341520652 |
oct | 117250000 |
9 | 43114821 |
10 | 20795392 |
11 | 10813982 |
12 | 6b6a454 |
13 | 4401487 |
14 | 2a946d2 |
15 | 1c5b8e7 |
hex | 13d5000 |
20795392 has 26 divisors (see below), whose sum is σ = 41593898. Its totient is φ = 10395648.
The previous prime is 20795371. The next prime is 20795399. The reversal of 20795392 is 29359702.
It can be written as a sum of positive squares in only one way, i.e., 20647936 + 147456 = 4544^2 + 384^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20795399) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558 + ... + 6634.
Almost surely, 220795392 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 20795392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20796949).
20795392 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20795392 is an frugal number, since it uses more digits than its factorization.
20795392 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5101 (or 5079 counting only the distinct ones).
The product of its (nonzero) digits is 34020, while the sum is 37.
The square root of 20795392 is about 4560.1964869948. The cubic root of 20795392 is about 274.9934632055.
The spelling of 20795392 in words is "twenty million, seven hundred ninety-five thousand, three hundred ninety-two".
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