Base | Representation |
---|---|
bin | 11101101011100… |
… | …00110000111001 |
3 | 122100111012122211 |
4 | 32311300300321 |
5 | 1002214140033 |
6 | 40412215121 |
7 | 6112150603 |
oct | 1665606071 |
9 | 570435584 |
10 | 248974393 |
11 | 1185a3168 |
12 | 6b46a4a1 |
13 | 3c773935 |
14 | 250d0173 |
15 | 16cd02cd |
hex | ed70c39 |
248974393 has 8 divisors (see below), whose sum is σ = 252125640. Its totient is φ = 245836800.
The previous prime is 248974391. The next prime is 248974403. The reversal of 248974393 is 393479842.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 51093904 + 197880489 = 7148^2 + 14067^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 248974393 - 21 = 248974391 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (248974391) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36121 + ... + 42457.
It is an arithmetic number, because the mean of its divisors is an integer number (31515705).
Almost surely, 2248974393 is an apocalyptic number.
It is an amenable number.
248974393 is a deficient number, since it is larger than the sum of its proper divisors (3151247).
248974393 is a wasteful number, since it uses less digits than its factorization.
248974393 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6827.
The product of its digits is 1306368, while the sum is 49.
The square root of 248974393 is about 15778.9224283536. The cubic root of 248974393 is about 629.0978883361.
The spelling of 248974393 in words is "two hundred forty-eight million, nine hundred seventy-four thousand, three hundred ninety-three".
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