Base | Representation |
---|---|
bin | 100110001010… |
… | …0110110011110 |
3 | 1101122112022000 |
4 | 1030110312132 |
5 | 20110231400 |
6 | 1552503130 |
7 | 332032245 |
oct | 114246636 |
9 | 41575260 |
10 | 20008350 |
11 | 1032662a |
12 | 684aaa6 |
13 | 41b717b |
14 | 292b95c |
15 | 1b53600 |
hex | 1314d9e |
20008350 has 48 divisors (see below), whose sum is σ = 55137840. Its totient is φ = 5335200.
The previous prime is 20008343. The next prime is 20008381. The reversal of 20008350 is 5380002.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6061 + ... + 8760.
It is an arithmetic number, because the mean of its divisors is an integer number (1148705).
Almost surely, 220008350 is an apocalyptic number.
20008350 is an abundant number, since it is smaller than the sum of its proper divisors (35129490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20008350 is a wasteful number, since it uses less digits than its factorization.
20008350 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14842 (or 14831 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 20008350 is about 4473.0694159604. The cubic root of 20008350 is about 271.4795320488.
Adding to 20008350 its reverse (5380002), we get a palindrome (25388352).
The spelling of 20008350 in words is "twenty million, eight thousand, three hundred fifty".
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