Base | Representation |
---|---|
bin | 1100111110001… |
… | …0100011100111 |
3 | 10210101002010000 |
4 | 3033202203213 |
5 | 102411432401 |
6 | 5222032343 |
7 | 1230303120 |
oct | 317424347 |
9 | 123332100 |
10 | 54405351 |
11 | 2878a600 |
12 | 162786b3 |
13 | b36b620 |
14 | 7323047 |
15 | 4b9a186 |
hex | 33e28e7 |
54405351 has 120 divisors (see below), whose sum is σ = 111749792. Its totient is φ = 25660800.
The previous prime is 54405331. The next prime is 54405353. The reversal of 54405351 is 15350445.
It is not a de Polignac number, because 54405351 - 213 = 54397159 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54405353) by changing a digit.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 891861 + ... + 891921.
Almost surely, 254405351 is an apocalyptic number.
54405351 is an abundant number, since it is smaller than the sum of its proper divisors (57344441).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54405351 is a wasteful number, since it uses less digits than its factorization.
54405351 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115 (or 95 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 27.
The square root of 54405351 is about 7375.9983053143. The cubic root of 54405351 is about 378.9197180757.
Adding to 54405351 its reverse (15350445), we get a palindrome (69755796).
It can be divided in two parts, 54405 and 351, that added together give a square (54756 = 2342).
The spelling of 54405351 in words is "fifty-four million, four hundred five thousand, three hundred fifty-one".
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