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1268896 = 25192087
BaseRepresentation
bin100110101110010100000
32101110121011
410311302200
5311101041
643110304
713533256
oct4656240
92343534
101268896
11797382
12512394
13355735
142505d6
151a0e81
hex135ca0

1268896 has 24 divisors (see below), whose sum is σ = 2630880. Its totient is φ = 600768.

The previous prime is 1268881. The next prime is 1268899. The reversal of 1268896 is 6988621.

It is a super-2 number, since 2×12688962 = 3220194117632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1268899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436 + ... + 1651.

It is an arithmetic number, because the mean of its divisors is an integer number (109620).

21268896 is an apocalyptic number.

1268896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1268896 is an abundant number, since it is smaller than the sum of its proper divisors (1361984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1268896 is a wasteful number, since it uses less digits than its factorization.

1268896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116 (or 2108 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 1268896 is about 1126.4528396697. The cubic root of 1268896 is about 108.2618247354.

The spelling of 1268896 in words is "one million, two hundred sixty-eight thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 19 32 38 76 152 304 608 2087 4174 8348 16696 33392 39653 66784 79306 158612 317224 634448 1268896