Base | Representation |
---|---|
bin | 1101000010100… |
… | …0000111110000 |
3 | 10210220112222020 |
4 | 3100220013300 |
5 | 103000042123 |
6 | 5232111440 |
7 | 1232600622 |
oct | 320500760 |
9 | 123815866 |
10 | 54690288 |
11 | 28964694 |
12 | 16395580 |
13 | b43b223 |
14 | 7398c12 |
15 | 4c047e3 |
hex | 34281f0 |
54690288 has 80 divisors (see below), whose sum is σ = 147981600. Its totient is φ = 17382400.
The previous prime is 54690271. The next prime is 54690289. The reversal of 54690288 is 88209645.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54690289) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140398 + ... + 140786.
It is an arithmetic number, because the mean of its divisors is an integer number (1849770).
Almost surely, 254690288 is an apocalyptic number.
54690288 is a gapful number since it is divisible by the number (58) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 54690288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73990800).
54690288 is an abundant number, since it is smaller than the sum of its proper divisors (93291312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54690288 is a wasteful number, since it uses less digits than its factorization.
54690288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 530 (or 524 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 42.
The square root of 54690288 is about 7395.2882296771. The cubic root of 54690288 is about 379.5800716682.
The spelling of 54690288 in words is "fifty-four million, six hundred ninety thousand, two hundred eighty-eight".
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