Base | Representation |
---|---|
bin | 1100111110100… |
… | …0010011000111 |
3 | 10210102021101010 |
4 | 3033220103013 |
5 | 102413210441 |
6 | 5222333303 |
7 | 1230431520 |
oct | 317502307 |
9 | 123367333 |
10 | 54428871 |
11 | 287a6242 |
12 | 1628a233 |
13 | b379243 |
14 | 732b847 |
15 | 4ba2116 |
hex | 33e84c7 |
54428871 has 8 divisors (see below), whose sum is σ = 82939264. Its totient is φ = 31102200.
The previous prime is 54428861. The next prime is 54428893. The reversal of 54428871 is 17882445.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54428871 - 27 = 54428743 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54428821) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295905 + ... + 1295946.
It is an arithmetic number, because the mean of its divisors is an integer number (10367408).
Almost surely, 254428871 is an apocalyptic number.
54428871 is a deficient number, since it is larger than the sum of its proper divisors (28510393).
54428871 is a wasteful number, since it uses less digits than its factorization.
54428871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2591861.
The product of its digits is 71680, while the sum is 39.
The square root of 54428871 is about 7377.5924934900. The cubic root of 54428871 is about 378.9743138562.
The spelling of 54428871 in words is "fifty-four million, four hundred twenty-eight thousand, eight hundred seventy-one".
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