Base | Representation |
---|---|
bin | 11110010100000… |
… | …10100111010110 |
3 | 122201111021211121 |
4 | 33022002213112 |
5 | 1010044243030 |
6 | 41122154154 |
7 | 6205301254 |
oct | 1712024726 |
9 | 581437747 |
10 | 254290390 |
11 | 1205a4152 |
12 | 711b295a |
13 | 408b54b3 |
14 | 25ab55d4 |
15 | 174d047a |
hex | f2829d6 |
254290390 has 32 divisors (see below), whose sum is σ = 474842016. Its totient is φ = 97977600.
The previous prime is 254290367. The next prime is 254290441. The reversal of 254290390 is 93092452.
254290390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27340 + ... + 35440.
It is an arithmetic number, because the mean of its divisors is an integer number (14838813).
Almost surely, 2254290390 is an apocalyptic number.
254290390 is a deficient number, since it is larger than the sum of its proper divisors (220551626).
254290390 is a wasteful number, since it uses less digits than its factorization.
254290390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8224.
The product of its (nonzero) digits is 19440, while the sum is 34.
The square root of 254290390 is about 15946.4851926686. The cubic root of 254290390 is about 633.5438060087.
The spelling of 254290390 in words is "two hundred fifty-four million, two hundred ninety thousand, three hundred ninety".
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