Base | Representation |
---|---|
bin | 1100111110001… |
… | …0100101011111 |
3 | 10210101002021110 |
4 | 3033202211133 |
5 | 102411433341 |
6 | 5222033103 |
7 | 1230303351 |
oct | 317424537 |
9 | 123332243 |
10 | 54405471 |
11 | 2878a6aa |
12 | 16278793 |
13 | b36b6b3 |
14 | 73230d1 |
15 | 4b9a216 |
hex | 33e295f |
54405471 has 8 divisors (see below), whose sum is σ = 72688000. Its totient is φ = 36196632.
The previous prime is 54405469. The next prime is 54405499. The reversal of 54405471 is 17450445.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 54405471 - 21 = 54405469 is a prime.
It is a super-3 number, since 3×544054713 (a number of 24 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54405431) 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, 16675 + ... + 19668.
It is an arithmetic number, because the mean of its divisors is an integer number (9086000).
Almost surely, 254405471 is an apocalyptic number.
54405471 is a deficient number, since it is larger than the sum of its proper divisors (18282529).
54405471 is a wasteful number, since it uses less digits than its factorization.
54405471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36845.
The product of its (nonzero) digits is 11200, while the sum is 30.
The square root of 54405471 is about 7376.0064398020. The cubic root of 54405471 is about 378.9199966655.
The spelling of 54405471 in words is "fifty-four million, four hundred five thousand, four hundred seventy-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •