Base | Representation |
---|---|
bin | 11111111110100… |
… | …01100100101010 |
3 | 200200202021100202 |
4 | 33333101210222 |
5 | 1022132322130 |
6 | 42341232202 |
7 | 6435022145 |
oct | 1777214452 |
9 | 620667322 |
10 | 268245290 |
11 | 128465725 |
12 | 75a02662 |
13 | 43760231 |
14 | 278a905c |
15 | 1883a145 |
hex | ffd192a |
268245290 has 32 divisors (see below), whose sum is σ = 490682880. Its totient is φ = 105565824.
The previous prime is 268245277. The next prime is 268245311. The reversal of 268245290 is 92542862.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360659 + ... + 361401.
It is an arithmetic number, because the mean of its divisors is an integer number (15333840).
Almost surely, 2268245290 is an apocalyptic number.
268245290 is a deficient number, since it is larger than the sum of its proper divisors (222437590).
268245290 is a wasteful number, since it uses less digits than its factorization.
268245290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1286.
The product of its (nonzero) digits is 69120, while the sum is 38.
The square root of 268245290 is about 16378.1955660567. The cubic root of 268245290 is about 644.9272117048.
The spelling of 268245290 in words is "two hundred sixty-eight million, two hundred forty-five thousand, two hundred ninety".
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