Base | Representation |
---|---|
bin | 100110101111… |
… | …1011101001110 |
3 | 1102020001110221 |
4 | 1031133131032 |
5 | 20200021214 |
6 | 2003221554 |
7 | 334444204 |
oct | 115373516 |
9 | 42201427 |
10 | 20313934 |
11 | 10515183 |
12 | 69778ba |
13 | 42932a4 |
14 | 29ab074 |
15 | 1bb3e24 |
hex | 135f74e |
20313934 has 8 divisors (see below), whose sum is σ = 30785328. Its totient is φ = 10052160.
The previous prime is 20313913. The next prime is 20313941. The reversal of 20313934 is 43931302.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 20313899 and 20313908.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52162 + ... + 52549.
It is an arithmetic number, because the mean of its divisors is an integer number (3848166).
Almost surely, 220313934 is an apocalyptic number.
20313934 is a deficient number, since it is larger than the sum of its proper divisors (10471394).
20313934 is a wasteful number, since it uses less digits than its factorization.
20313934 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104810.
The product of its (nonzero) digits is 1944, while the sum is 25.
The square root of 20313934 is about 4507.0981795386. The cubic root of 20313934 is about 272.8546413625.
The spelling of 20313934 in words is "twenty million, three hundred thirteen thousand, nine hundred thirty-four".
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