Base | Representation |
---|---|
bin | 100110011011… |
… | …0100010000110 |
3 | 1101220112112122 |
4 | 1030312202012 |
5 | 20124140220 |
6 | 1555445542 |
7 | 333145412 |
oct | 114664206 |
9 | 41815478 |
10 | 20146310 |
11 | 10410248 |
12 | 68b68b2 |
13 | 4234bc2 |
14 | 2965d42 |
15 | 1b7e425 |
hex | 1336886 |
20146310 has 16 divisors (see below), whose sum is σ = 36363600. Its totient is φ = 8036256.
The previous prime is 20146279. The next prime is 20146319. The reversal of 20146310 is 1364102.
It is a super-2 number, since 2×201463102 = 811747613232200, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20146319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301 + ... + 6479.
It is an arithmetic number, because the mean of its divisors is an integer number (2272725).
Almost surely, 220146310 is an apocalyptic number.
20146310 is a deficient number, since it is larger than the sum of its proper divisors (16217290).
20146310 is a wasteful number, since it uses less digits than its factorization.
20146310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5575.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 20146310 is about 4488.4641025634. The cubic root of 20146310 is about 272.1020648540.
The spelling of 20146310 in words is "twenty million, one hundred forty-six thousand, three hundred ten".
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