Base | Representation |
---|---|
bin | 100110001001… |
… | …0111001100110 |
3 | 1101122010100000 |
4 | 1030102321212 |
5 | 20110002413 |
6 | 1552402130 |
7 | 332000040 |
oct | 114227146 |
9 | 41563300 |
10 | 20000358 |
11 | 10320624 |
12 | 6846346 |
13 | 41b3641 |
14 | 2928a90 |
15 | 1b51073 |
hex | 1312e66 |
20000358 has 48 divisors (see below), whose sum is σ = 51367680. Its totient is φ = 5713416.
The previous prime is 20000353. The next prime is 20000359. The reversal of 20000358 is 85300002.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 20000358.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20000353) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 463 + ... + 6341.
It is an arithmetic number, because the mean of its divisors is an integer number (1070160).
Almost surely, 220000358 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20000358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25683840).
20000358 is an abundant number, since it is smaller than the sum of its proper divisors (31367322).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20000358 is an equidigital number, since it uses as much as digits as its factorization.
20000358 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5903 (or 5891 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 20000358 is about 4472.1759804373. The cubic root of 20000358 is about 271.4433812523.
The spelling of 20000358 in words is "twenty million, three hundred fifty-eight", and thus it is an aban number.
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