Base | Representation |
---|---|
bin | 1100111000000… |
… | …0110110110100 |
3 | 10202121202011120 |
4 | 3032000312310 |
5 | 102311131142 |
6 | 5205303540 |
7 | 1224015324 |
oct | 316006664 |
9 | 122552146 |
10 | 54005172 |
11 | 28536981 |
12 | 16104bb0 |
13 | b25b430 |
14 | 725b284 |
15 | 4b1b7ec |
hex | 3380db4 |
54005172 has 24 divisors (see below), whose sum is σ = 135705696. Its totient is φ = 16616928.
The previous prime is 54005167. The next prime is 54005177. The reversal of 54005172 is 27150045.
It is an interprime number because it is at equal distance from previous prime (54005167) and next prime (54005177).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54005177) 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, 172938 + ... + 173249.
It is an arithmetic number, because the mean of its divisors is an integer number (5654404).
Almost surely, 254005172 is an apocalyptic number.
54005172 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
54005172 is an abundant number, since it is smaller than the sum of its proper divisors (81700524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54005172 is a wasteful number, since it uses less digits than its factorization.
54005172 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 346207 (or 346205 counting only the distinct ones).
The product of its (nonzero) digits is 1400, while the sum is 24.
The square root of 54005172 is about 7348.8211299500. The cubic root of 54005172 is about 377.9883818271.
The spelling of 54005172 in words is "fifty-four million, five thousand, one hundred seventy-two".
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