Base | Representation |
---|---|
bin | 100110110111… |
… | …0100010111000 |
3 | 1102100012020220 |
4 | 1031232202320 |
5 | 20204010421 |
6 | 2004420040 |
7 | 335122323 |
oct | 115564270 |
9 | 42305226 |
10 | 20375736 |
11 | 10557657 |
12 | 69a7620 |
13 | 42b5464 |
14 | 29c57ba |
15 | 1bc73c6 |
hex | 136e8b8 |
20375736 has 32 divisors (see below), whose sum is σ = 51319440. Its totient is φ = 6741248.
The previous prime is 20375699. The next prime is 20375743. The reversal of 20375736 is 63757302.
It is a junction number, because it is equal to n+sod(n) for n = 20375697 and 20375706.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190 + ... + 6386.
Almost surely, 220375736 is an apocalyptic number.
It is an amenable number.
20375736 is an abundant number, since it is smaller than the sum of its proper divisors (30943704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20375736 is a wasteful number, since it uses less digits than its factorization.
20375736 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6343 (or 6339 counting only the distinct ones).
The product of its (nonzero) digits is 26460, while the sum is 33.
The square root of 20375736 is about 4513.9490471205. The cubic root of 20375736 is about 273.1310672287.
The spelling of 20375736 in words is "twenty million, three hundred seventy-five thousand, seven hundred thirty-six".
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