Base | Representation |
---|---|
bin | 11101110011011… |
… | …00011110010001 |
3 | 122102102120221000 |
4 | 32321230132101 |
5 | 1003000133033 |
6 | 40450252213 |
7 | 6124003461 |
oct | 1671543621 |
9 | 572376830 |
10 | 250005393 |
11 | 119137830 |
12 | 6b887069 |
13 | 3ca44cb1 |
14 | 252bbba1 |
15 | 16e35a13 |
hex | ee6c791 |
250005393 has 32 divisors (see below), whose sum is σ = 407877120. Its totient is φ = 150083280.
The previous prime is 250005391. The next prime is 250005449. The reversal of 250005393 is 393500052.
It is not a de Polignac number, because 250005393 - 21 = 250005391 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (250005391) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27846 + ... + 35712.
It is an arithmetic number, because the mean of its divisors is an integer number (12746160).
Almost surely, 2250005393 is an apocalyptic number.
It is an amenable number.
250005393 is a deficient number, since it is larger than the sum of its proper divisors (157871727).
250005393 is a wasteful number, since it uses less digits than its factorization.
250005393 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7994 (or 7988 counting only the distinct ones).
The product of its (nonzero) digits is 4050, while the sum is 27.
The square root of 250005393 is about 15811.5588415564. The cubic root of 250005393 is about 629.9650547510.
The spelling of 250005393 in words is "two hundred fifty million, five thousand, three hundred ninety-three".
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