Base | Representation |
---|---|
bin | 1101000101011… |
… | …1111001001001 |
3 | 10211021111101101 |
4 | 3101113321021 |
5 | 103022322321 |
6 | 5240221401 |
7 | 1234344244 |
oct | 321277111 |
9 | 124244341 |
10 | 54885961 |
11 | 28a886a9 |
12 | 1646a861 |
13 | b4a9300 |
14 | 740a25b |
15 | 4c42791 |
hex | 3457e49 |
54885961 has 12 divisors (see below), whose sum is σ = 60199680. Its totient is φ = 50010480.
The previous prime is 54885949. The next prime is 54885997. The reversal of 54885961 is 16958845.
It is not a de Polignac number, because 54885961 - 27 = 54885833 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54885361) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11296 + ... + 15406.
It is an arithmetic number, because the mean of its divisors is an integer number (5016640).
Almost surely, 254885961 is an apocalyptic number.
It is an amenable number.
54885961 is a deficient number, since it is larger than the sum of its proper divisors (5313719).
54885961 is a wasteful number, since it uses less digits than its factorization.
54885961 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4216 (or 4203 counting only the distinct ones).
The product of its digits is 345600, while the sum is 46.
The square root of 54885961 is about 7408.5059897391. The cubic root of 54885961 is about 380.0322248757.
It can be divided in two parts, 5488 and 5961, that added together give a square (11449 = 1072).
The spelling of 54885961 in words is "fifty-four million, eight hundred eighty-five thousand, nine hundred sixty-one".
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