Base | Representation |
---|---|
bin | 1100111101111… |
… | …1000001110111 |
3 | 10210100100021220 |
4 | 3033133001313 |
5 | 102411002103 |
6 | 5221441423 |
7 | 1230213030 |
oct | 317370167 |
9 | 123310256 |
10 | 54390903 |
11 | 2877a766 |
12 | 16270273 |
13 | b364b88 |
14 | 731ba87 |
15 | 4b95c53 |
hex | 33df077 |
54390903 has 16 divisors (see below), whose sum is σ = 83235840. Its totient is φ = 30947616.
The previous prime is 54390893. The next prime is 54390937. The reversal of 54390903 is 30909345.
It is not a de Polignac number, because 54390903 - 214 = 54374519 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54390943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400 + ... + 10437.
It is an arithmetic number, because the mean of its divisors is an integer number (5202240).
Almost surely, 254390903 is an apocalyptic number.
54390903 is a deficient number, since it is larger than the sum of its proper divisors (28844937).
54390903 is a wasteful number, since it uses less digits than its factorization.
54390903 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11086.
The product of its (nonzero) digits is 14580, while the sum is 33.
The square root of 54390903 is about 7375.0188474335. The cubic root of 54390903 is about 378.8861728657.
The spelling of 54390903 in words is "fifty-four million, three hundred ninety thousand, nine hundred three".
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