Base | Representation |
---|---|
bin | 11110010111010… |
… | …11100001101010 |
3 | 122202022010022000 |
4 | 33023223201222 |
5 | 1010202020411 |
6 | 41135311430 |
7 | 6212041134 |
oct | 1713534152 |
9 | 582263260 |
10 | 254720106 |
11 | 120867a93 |
12 | 7137b576 |
13 | 40a05c74 |
14 | 25b88054 |
15 | 17567956 |
hex | f2eb86a |
254720106 has 16 divisors (see below), whose sum is σ = 566044800. Its totient is φ = 84906684.
The previous prime is 254720077. The next prime is 254720117. The reversal of 254720106 is 601027452.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 254720106.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2358466 + ... + 2358573.
It is an arithmetic number, because the mean of its divisors is an integer number (35377800).
Almost surely, 2254720106 is an apocalyptic number.
254720106 is an abundant number, since it is smaller than the sum of its proper divisors (311324694).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
254720106 is a wasteful number, since it uses less digits than its factorization.
254720106 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4717050 (or 4717044 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 254720106 is about 15959.9531954201. The cubic root of 254720106 is about 633.9004726557.
Adding to 254720106 its reverse (601027452), we get a palindrome (855747558).
The spelling of 254720106 in words is "two hundred fifty-four million, seven hundred twenty thousand, one hundred six".
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