Base | Representation |
---|---|
bin | 100110011011… |
… | …1101001000101 |
3 | 1101220202202220 |
4 | 1030313221011 |
5 | 20124311403 |
6 | 1555522553 |
7 | 333164562 |
oct | 114675105 |
9 | 41822686 |
10 | 20150853 |
11 | 104136a8 |
12 | 68b9459 |
13 | 4236ca8 |
14 | 2967869 |
15 | 1b80953 |
hex | 1337a45 |
20150853 has 16 divisors (see below), whose sum is σ = 28217280. Its totient is φ = 12773376.
The previous prime is 20150843. The next prime is 20150857. The reversal of 20150853 is 35805102.
It is not a de Polignac number, because 20150853 - 25 = 20150821 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20150857) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 4101 + ... + 7557.
It is an arithmetic number, because the mean of its divisors is an integer number (1763580).
Almost surely, 220150853 is an apocalyptic number.
It is an amenable number.
20150853 is a deficient number, since it is larger than the sum of its proper divisors (8066427).
20150853 is a wasteful number, since it uses less digits than its factorization.
20150853 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3556.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 20150853 is about 4488.9701491545. The cubic root of 20150853 is about 272.1225163539.
Adding to 20150853 its reverse (35805102), we get a palindrome (55955955).
The spelling of 20150853 in words is "twenty million, one hundred fifty thousand, eight hundred fifty-three".
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