Base | Representation |
---|---|
bin | 100111001101… |
… | …0000101001100 |
3 | 1102200020212111 |
4 | 1032122011030 |
5 | 20230212220 |
6 | 2012313404 |
7 | 336464242 |
oct | 116320514 |
9 | 42606774 |
10 | 20554060 |
11 | 1066962a |
12 | 6a72864 |
13 | 4348687 |
14 | 2a30792 |
15 | 1c1015a |
hex | 139a14c |
20554060 has 12 divisors (see below), whose sum is σ = 43163568. Its totient is φ = 8221616.
The previous prime is 20554049. The next prime is 20554063. The reversal of 20554060 is 6045502.
It is not an unprimeable number, because it can be changed into a prime (20554063) 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 3 ways as a sum of consecutive naturals, for example, 513832 + ... + 513871.
It is an arithmetic number, because the mean of its divisors is an integer number (3596964).
Almost surely, 220554060 is an apocalyptic number.
20554060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20554060 is an abundant number, since it is smaller than the sum of its proper divisors (22609508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20554060 is a wasteful number, since it uses less digits than its factorization.
20554060 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1027712 (or 1027710 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 20554060 is about 4533.6585667648. The cubic root of 20554060 is about 273.9255485288.
Adding to 20554060 its reverse (6045502), we get a palindrome (26599562).
The spelling of 20554060 in words is "twenty million, five hundred fifty-four thousand, sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •