Base | Representation |
---|---|
bin | 1100111101111… |
… | …0010100001001 |
3 | 10210100012021112 |
4 | 3033132110021 |
5 | 102410403402 |
6 | 5221420105 |
7 | 1230201350 |
oct | 317362411 |
9 | 123305245 |
10 | 54387977 |
11 | 28778546 |
12 | 1626a635 |
13 | b363747 |
14 | 731a997 |
15 | 4b94e52 |
hex | 33de509 |
54387977 has 8 divisors (see below), whose sum is σ = 63480576. Its totient is φ = 45626112.
The previous prime is 54387967. The next prime is 54388001. The reversal of 54387977 is 77978345.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54387977 - 24 = 54387961 is a prime.
It is a super-3 number, since 3×543879773 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54387967) 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, 82328 + ... + 82985.
It is an arithmetic number, because the mean of its divisors is an integer number (7935072).
Almost surely, 254387977 is an apocalyptic number.
It is an amenable number.
54387977 is a deficient number, since it is larger than the sum of its proper divisors (9092599).
54387977 is a wasteful number, since it uses less digits than its factorization.
54387977 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 165367.
The product of its digits is 1481760, while the sum is 50.
The square root of 54387977 is about 7374.8204723912. The cubic root of 54387977 is about 378.8793785872.
The spelling of 54387977 in words is "fifty-four million, three hundred eighty-seven thousand, nine hundred seventy-seven".
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