Base | Representation |
---|---|
bin | 1100111100000… |
… | …1000011101100 |
3 | 10210010002220010 |
4 | 3033001003230 |
5 | 102343040030 |
6 | 5215053220 |
7 | 1226162103 |
oct | 317010354 |
9 | 123102803 |
10 | 54268140 |
11 | 286a6503 |
12 | 16211210 |
13 | b321034 |
14 | 72c903a |
15 | 4b6e6b0 |
hex | 33c10ec |
54268140 has 48 divisors (see below), whose sum is σ = 154103040. Its totient is φ = 14266560.
The previous prime is 54268129. The next prime is 54268147. The reversal of 54268140 is 4186245.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 54268098 and 54268107.
It is not an unprimeable number, because it can be changed into a prime (54268147) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2110 + ... + 10629.
It is an arithmetic number, because the mean of its divisors is an integer number (3210480).
Almost surely, 254268140 is an apocalyptic number.
It is an amenable number.
54268140 is an abundant number, since it is smaller than the sum of its proper divisors (99834900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54268140 is a wasteful number, since it uses less digits than its factorization.
54268140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12822 (or 12820 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 30.
The square root of 54268140 is about 7366.6912518443. The cubic root of 54268140 is about 378.6009030943.
The spelling of 54268140 in words is "fifty-four million, two hundred sixty-eight thousand, one hundred forty".
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