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1268426 = 21993187
BaseRepresentation
bin100110101101011001010
32101102221202
410311223022
5311042201
643104202
713532015
oct4655312
92342852
101268426
11796a95
12512062
13355463
1425037c
151a0c6b
hex135aca

1268426 has 8 divisors (see below), whose sum is σ = 1912800. Its totient is φ = 630828.

The previous prime is 1268419. The next prime is 1268429. The reversal of 1268426 is 6248621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1268429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196 + ... + 1991.

It is an arithmetic number, because the mean of its divisors is an integer number (239100).

21268426 is an apocalyptic number.

1268426 is a deficient number, since it is larger than the sum of its proper divisors (644374).

1268426 is a wasteful number, since it uses less digits than its factorization.

1268426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388.

The product of its digits is 4608, while the sum is 29.

The square root of 1268426 is about 1126.2442008730. The cubic root of 1268426 is about 108.2484563319.

The spelling of 1268426 in words is "one million, two hundred sixty-eight thousand, four hundred twenty-six".

Divisors: 1 2 199 398 3187 6374 634213 1268426