Base | Representation |
---|---|
bin | 1101000101000… |
… | …0000101010001 |
3 | 10211012212111111 |
4 | 3101100011101 |
5 | 103020311334 |
6 | 5235413321 |
7 | 1234152052 |
oct | 321200521 |
9 | 124185444 |
10 | 54853969 |
11 | 28a66665 |
12 | 16454241 |
13 | b497891 |
14 | 73dc729 |
15 | 4c38064 |
hex | 3450151 |
54853969 has 4 divisors (see below), whose sum is σ = 57741040. Its totient is φ = 51966900.
The previous prime is 54853963. The next prime is 54853979. The reversal of 54853969 is 96935845.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96935845 = 5 ⋅19387169.
It is not a de Polignac number, because 54853969 - 217 = 54722897 is a prime.
It is a super-2 number, since 2×548539692 = 6017915830105922, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54853963) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443507 + ... + 1443544.
It is an arithmetic number, because the mean of its divisors is an integer number (14435260).
Almost surely, 254853969 is an apocalyptic number.
It is an amenable number.
54853969 is a deficient number, since it is larger than the sum of its proper divisors (2887071).
54853969 is a wasteful number, since it uses less digits than its factorization.
54853969 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2887070.
The product of its digits is 1166400, while the sum is 49.
The square root of 54853969 is about 7406.3465352358. The cubic root of 54853969 is about 379.9583726330.
The spelling of 54853969 in words is "fifty-four million, eight hundred fifty-three thousand, nine hundred sixty-nine".
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