Base | Representation |
---|---|
bin | 100110001101… |
… | …1010100110100 |
3 | 1101200212200011 |
4 | 1030123110310 |
5 | 20112103433 |
6 | 1553230004 |
7 | 332202460 |
oct | 114332464 |
9 | 41625604 |
10 | 20034868 |
11 | 10344547 |
12 | 6862304 |
13 | 41c6269 |
14 | 29374a0 |
15 | 1b5b3cd |
hex | 131b534 |
20034868 has 24 divisors (see below), whose sum is σ = 40203072. Its totient is φ = 8557824.
The previous prime is 20034841. The next prime is 20034869. The reversal of 20034868 is 86843002.
It is a happy number.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20034869) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8871 + ... + 10897.
It is an arithmetic number, because the mean of its divisors is an integer number (1675128).
Almost surely, 220034868 is an apocalyptic number.
20034868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
20034868 is an abundant number, since it is smaller than the sum of its proper divisors (20168204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20034868 is a wasteful number, since it uses less digits than its factorization.
20034868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2391 (or 2389 counting only the distinct ones).
The product of its (nonzero) digits is 9216, while the sum is 31.
The square root of 20034868 is about 4476.0326182904. The cubic root of 20034868 is about 271.5994139337.
It can be divided in two parts, 20034 and 868, that added together give a palindrome (20902).
The spelling of 20034868 in words is "twenty million, thirty-four thousand, eight hundred sixty-eight".
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