Base | Representation |
---|---|
bin | 1101000101101… |
… | …1010100110100 |
3 | 10211022012200002 |
4 | 3101123110310 |
5 | 103023300040 |
6 | 5240410432 |
7 | 1234433240 |
oct | 321332464 |
9 | 124265602 |
10 | 54900020 |
11 | 28a9821a |
12 | 16476a18 |
13 | b4b2826 |
14 | 7411420 |
15 | 4c46a15 |
hex | 345b534 |
54900020 has 24 divisors (see below), whose sum is σ = 131760384. Its totient is φ = 18822816.
The previous prime is 54900017. The next prime is 54900037. The reversal of 54900020 is 2000945.
54900020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 54899965 and 54900001.
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 7 ways as a sum of consecutive naturals, for example, 195932 + ... + 196211.
It is an arithmetic number, because the mean of its divisors is an integer number (5490016).
Almost surely, 254900020 is an apocalyptic number.
It is an amenable number.
54900020 is an abundant number, since it is smaller than the sum of its proper divisors (76860364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54900020 is a wasteful number, since it uses less digits than its factorization.
54900020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 392159 (or 392157 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 54900020 is about 7409.4547707642. The cubic root of 54900020 is about 380.0646704339.
Adding to 54900020 its reverse (2000945), we get a palindrome (56900965).
The spelling of 54900020 in words is "fifty-four million, nine hundred thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •