Base | Representation |
---|---|
bin | 100110101010… |
… | …1101011011010 |
3 | 1102011000112112 |
4 | 1031111223122 |
5 | 20142231012 |
6 | 2002312322 |
7 | 334216346 |
oct | 115255332 |
9 | 42130475 |
10 | 20273882 |
11 | 10498082 |
12 | 69586a2 |
13 | 427aca5 |
14 | 299a626 |
15 | 1ba7122 |
hex | 1355ada |
20273882 has 8 divisors (see below), whose sum is σ = 30430452. Its totient is φ = 10130400.
The previous prime is 20273863. The next prime is 20273887. The reversal of 20273882 is 28837202.
It can be written as a sum of positive squares in 2 ways, for example, as 12880921 + 7392961 = 3589^2 + 2719^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×202738822 = 822060582699848, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20273887) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3032 + ... + 7052.
Almost surely, 220273882 is an apocalyptic number.
20273882 is a deficient number, since it is larger than the sum of its proper divisors (10156570).
20273882 is a wasteful number, since it uses less digits than its factorization.
20273882 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6544.
The product of its (nonzero) digits is 10752, while the sum is 32.
The square root of 20273882 is about 4502.6527736436. The cubic root of 20273882 is about 272.6751986166.
The spelling of 20273882 in words is "twenty million, two hundred seventy-three thousand, eight hundred eighty-two".
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