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268000897 = 438237573
BaseRepresentation
bin11111111100101…
…01111010000001
3200200021212010011
433332111322001
51022102012042
642332104521
76432653503
oct1776257201
9620255104
10268000897
1112830904a
1275905141
13436a5c18
1427843d73
15187dca17
hexff95e81

268000897 has 8 divisors (see below), whose sum is σ = 274602944. Its totient is φ = 261415728.

The previous prime is 268000883. The next prime is 268000933. The reversal of 268000897 is 798000862.

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 268000897 - 223 = 259612289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268000297) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31603 + ... + 39175.

It is an arithmetic number, because the mean of its divisors is an integer number (34325368).

Almost surely, 2268000897 is an apocalyptic number.

It is an amenable number.

268000897 is a deficient number, since it is larger than the sum of its proper divisors (6602047).

268000897 is an equidigital number, since it uses as much as digits as its factorization.

268000897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8439.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 268000897 is about 16370.7329402199. The cubic root of 268000897 is about 644.7312920335.

The spelling of 268000897 in words is "two hundred sixty-eight million, eight hundred ninety-seven", and thus it is an aban number.

Divisors: 1 43 823 7573 35389 325639 6232579 268000897