Base | Representation |
---|---|
bin | 11101010001110… |
… | …11011010011100 |
3 | 122010011021202212 |
4 | 32220323122130 |
5 | 1000334011030 |
6 | 40212135552 |
7 | 6041436356 |
oct | 1650733234 |
9 | 563137685 |
10 | 245610140 |
11 | 116705596 |
12 | 6a3075b8 |
13 | 3bb66559 |
14 | 248960d6 |
15 | 16868595 |
hex | ea3b69c |
245610140 has 24 divisors (see below), whose sum is σ = 516175632. Its totient is φ = 98168960.
The previous prime is 245610103. The next prime is 245610163. The reversal of 245610140 is 41016542.
It is a congruent number.
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, 27512 + ... + 35328.
It is an arithmetic number, because the mean of its divisors is an integer number (21507318).
Almost surely, 2245610140 is an apocalyptic number.
245610140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245610140 is an abundant number, since it is smaller than the sum of its proper divisors (270565492).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245610140 is a wasteful number, since it uses less digits than its factorization.
245610140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9397 (or 9395 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
The square root of 245610140 is about 15671.9539305091. The cubic root of 245610140 is about 626.2514785431.
Adding to 245610140 its reverse (41016542), we get a palindrome (286626682).
The spelling of 245610140 in words is "two hundred forty-five million, six hundred ten thousand, one hundred forty".
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