Base | Representation |
---|---|
bin | 1100111001001… |
… | …0110111001000 |
3 | 10202202111022222 |
4 | 3032102313020 |
5 | 102321011140 |
6 | 5211033212 |
7 | 1224443330 |
oct | 316226710 |
9 | 122674288 |
10 | 54078920 |
11 | 28587325 |
12 | 1613b808 |
13 | b285b7c |
14 | 727a0c0 |
15 | 4b335b5 |
hex | 3392dc8 |
54078920 has 32 divisors (see below), whose sum is σ = 139060800. Its totient is φ = 18541248.
The previous prime is 54078919. The next prime is 54078931. The reversal of 54078920 is 2987045.
It is a happy number.
54078920 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 (35).
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, 96290 + ... + 96849.
It is an arithmetic number, because the mean of its divisors is an integer number (4345650).
Almost surely, 254078920 is an apocalyptic number.
It is an amenable number.
54078920 is an abundant number, since it is smaller than the sum of its proper divisors (84981880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54078920 is a wasteful number, since it uses less digits than its factorization.
54078920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193157 (or 193153 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 35.
The square root of 54078920 is about 7353.8370936539. The cubic root of 54078920 is about 378.1603604661.
The spelling of 54078920 in words is "fifty-four million, seventy-eight thousand, nine hundred twenty".
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