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268512398 = 27112277681
BaseRepresentation
bin10000000000010…
…010110010001110
3200201020211202122
4100000102302032
51022214344043
642351052542
76440213660
oct2000226216
9621224678
10268512398
11128628380
1275b11152
134382499b
1427938530
151888e368
hex10012c8e

268512398 has 32 divisors (see below), whose sum is σ = 504430848. Its totient is φ = 104140800.

The previous prime is 268512397. The next prime is 268512401. The reversal of 268512398 is 893215862.

It is a Smith number, since the sum of its digits (44) 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 not an unprimeable number, because it can be changed into a prime (268512397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31118 + ... + 38798.

It is an arithmetic number, because the mean of its divisors is an integer number (15763464).

Almost surely, 2268512398 is an apocalyptic number.

268512398 is a deficient number, since it is larger than the sum of its proper divisors (235918450).

268512398 is a wasteful number, since it uses less digits than its factorization.

268512398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7928.

The product of its digits is 207360, while the sum is 44.

The square root of 268512398 is about 16386.3479152617. The cubic root of 268512398 is about 645.1412049881.

The spelling of 268512398 in words is "two hundred sixty-eight million, five hundred twelve thousand, three hundred ninety-eight".

Divisors: 1 2 7 11 14 22 77 154 227 454 1589 2497 3178 4994 7681 15362 17479 34958 53767 84491 107534 168982 591437 1182874 1743587 3487174 12205109 19179457 24410218 38358914 134256199 268512398