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1268275 = 5297523
BaseRepresentation
bin100110101101000110011
32101102202011
410311220303
5311041100
643103351
713531411
oct4655063
92342664
101268275
11796968
12511b57
13355378
142502b1
151a0bba
hex135a33

1268275 has 12 divisors (see below), whose sum is σ = 1591912. Its totient is φ = 1002240.

The previous prime is 1268261. The next prime is 1268279. The reversal of 1268275 is 5728621.

It is not a de Polignac number, because 1268275 - 27 = 1268147 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Duffinian number.

1268275 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1268279) 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 11 ways as a sum of consecutive naturals, for example, 2164 + ... + 2686.

21268275 is an apocalyptic number.

1268275 is a deficient number, since it is larger than the sum of its proper divisors (323637).

1268275 is an equidigital number, since it uses as much as digits as its factorization.

1268275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630 (or 625 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 1268275 is about 1126.1771619066. The cubic root of 1268275 is about 108.2441606758.

The spelling of 1268275 in words is "one million, two hundred sixty-eight thousand, two hundred seventy-five".

Divisors: 1 5 25 97 485 523 2425 2615 13075 50731 253655 1268275