Base | Representation |
---|---|
bin | 1100111010110… |
… | …1110001110001 |
3 | 10202222002120021 |
4 | 3032231301301 |
5 | 102333023134 |
6 | 5213243441 |
7 | 1225412626 |
oct | 316556161 |
9 | 122862507 |
10 | 54189169 |
11 | 28652141 |
12 | 16193581 |
13 | b2c40c8 |
14 | 72a834d |
15 | 4b560b4 |
hex | 33adc71 |
54189169 has 4 divisors (see below), whose sum is σ = 54223344. Its totient is φ = 54154996.
The previous prime is 54189137. The next prime is 54189193. The reversal of 54189169 is 96198145.
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.
It is a cyclic number.
It is not a de Polignac number, because 54189169 - 25 = 54189137 is a prime.
It is a super-2 number, since 2×541891692 = 5872932073821122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (54189269) 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, 14587 + ... + 17920.
It is an arithmetic number, because the mean of its divisors is an integer number (13555836).
Almost surely, 254189169 is an apocalyptic number.
It is an amenable number.
54189169 is a deficient number, since it is larger than the sum of its proper divisors (34175).
54189169 is a wasteful number, since it uses less digits than its factorization.
54189169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34174.
The product of its digits is 77760, while the sum is 43.
The square root of 54189169 is about 7361.3292957183. The cubic root of 54189169 is about 378.4171672570.
The spelling of 54189169 in words is "fifty-four million, one hundred eighty-nine thousand, one hundred sixty-nine".
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