Base | Representation |
---|---|
bin | 100110001111… |
… | …0000110000000 |
3 | 1101201110020011 |
4 | 1030132012000 |
5 | 20112434313 |
6 | 1553354304 |
7 | 332250520 |
oct | 114360600 |
9 | 41643204 |
10 | 20046208 |
11 | 10352016 |
12 | 6868994 |
13 | 41cb480 |
14 | 293b680 |
15 | 1b5e93d |
hex | 131e180 |
20046208 has 64 divisors (see below), whose sum is σ = 49180320. Its totient is φ = 7925760.
The previous prime is 20046203. The next prime is 20046223. The reversal of 20046208 is 80264002.
It is a tau number, because it is divible by the number of its divisors (64).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20046203) 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, 10788 + ... + 12508.
Almost surely, 220046208 is an apocalyptic number.
20046208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20046208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24590160).
20046208 is an abundant number, since it is smaller than the sum of its proper divisors (29134112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20046208 is a wasteful number, since it uses less digits than its factorization.
20046208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1755 (or 1743 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 22.
The square root of 20046208 is about 4477.2991858932. The cubic root of 20046208 is about 271.6506472210.
It can be divided in two parts, 200 and 46208, that multiplied together give a square (9241600 = 30402).
The spelling of 20046208 in words is "twenty million, forty-six thousand, two hundred eight".
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