Base | Representation |
---|---|
bin | 11101010010101… |
… | …11010001100100 |
3 | 122010101002022112 |
4 | 32221113101210 |
5 | 1000401134020 |
6 | 40214420152 |
7 | 6042423155 |
oct | 1651272144 |
9 | 563332275 |
10 | 245724260 |
11 | 116783301 |
12 | 6a361658 |
13 | 3bba6492 |
14 | 248c592c |
15 | 1688c2c5 |
hex | ea57464 |
245724260 has 24 divisors (see below), whose sum is σ = 516316920. Its totient is φ = 98233344.
The previous prime is 245724257. The next prime is 245724277. The reversal of 245724260 is 62427542.
245724260 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 32330596 + 213393664 = 5686^2 + 14608^2 .
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, 61442 + ... + 65318.
It is an arithmetic number, because the mean of its divisors is an integer number (21513205).
Almost surely, 2245724260 is an apocalyptic number.
245724260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245724260 is an abundant number, since it is smaller than the sum of its proper divisors (270592660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245724260 is a wasteful number, since it uses less digits than its factorization.
245724260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7055 (or 7053 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 32.
The square root of 245724260 is about 15675.5944065927. The cubic root of 245724260 is about 626.3484571025.
The spelling of 245724260 in words is "two hundred forty-five million, seven hundred twenty-four thousand, two hundred sixty".
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