Base | Representation |
---|---|
bin | 1101000111000… |
… | …1000101111010 |
3 | 10211110201222020 |
4 | 3101301011322 |
5 | 103034123203 |
6 | 5242335310 |
7 | 1235254206 |
oct | 321610572 |
9 | 124421866 |
10 | 54989178 |
11 | 29049202 |
12 | 164ba536 |
13 | b51429a |
14 | 7435b06 |
15 | 4c63153 |
hex | 347117a |
54989178 has 32 divisors (see below), whose sum is σ = 114667584. Its totient is φ = 17563392.
The previous prime is 54989153. The next prime is 54989189. The reversal of 54989178 is 87198945.
54989178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 54989178.
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 15 ways as a sum of consecutive naturals, for example, 13026 + ... + 16722.
It is an arithmetic number, because the mean of its divisors is an integer number (3583362).
Almost surely, 254989178 is an apocalyptic number.
54989178 is an abundant number, since it is smaller than the sum of its proper divisors (59678406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54989178 is a wasteful number, since it uses less digits than its factorization.
54989178 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3806.
The product of its digits is 725760, while the sum is 51.
The square root of 54989178 is about 7415.4688321103. The cubic root of 54989178 is about 380.2703016815.
The spelling of 54989178 in words is "fifty-four million, nine hundred eighty-nine thousand, one hundred seventy-eight".
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