Base | Representation |
---|---|
bin | 1100111100101… |
… | …1110000101111 |
3 | 10210012100000221 |
4 | 3033023300233 |
5 | 102400440413 |
6 | 5220032211 |
7 | 1226433655 |
oct | 317136057 |
9 | 123170027 |
10 | 54311983 |
11 | 28726440 |
12 | 16232667 |
13 | b337c8b |
14 | 72dadd5 |
15 | 4b7c68d |
hex | 33cbc2f |
54311983 has 16 divisors (see below), whose sum is σ = 62013600. Its totient is φ = 47111680.
The previous prime is 54311951. The next prime is 54311987. The reversal of 54311983 is 38911345.
It is not a de Polignac number, because 54311983 - 25 = 54311951 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54311987) 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, 27435 + ... + 29347.
It is an arithmetic number, because the mean of its divisors is an integer number (3875850).
Almost surely, 254311983 is an apocalyptic number.
54311983 is a deficient number, since it is larger than the sum of its proper divisors (7701617).
54311983 is a wasteful number, since it uses less digits than its factorization.
54311983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2042.
The product of its digits is 12960, while the sum is 34.
The square root of 54311983 is about 7369.6664103608. Note that the first 3 decimals coincide. The cubic root of 54311983 is about 378.7028323374.
The spelling of 54311983 in words is "fifty-four million, three hundred eleven thousand, nine hundred eighty-three".
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