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1268208 = 24328807
BaseRepresentation
bin100110101100111110000
32101102122200
410311213300
5311040313
643103200
713531254
oct4654760
92342580
101268208
11796907
12511b00
13355326
14250264
151a0b73
hex1359f0

1268208 has 30 divisors (see below), whose sum is σ = 3549624. Its totient is φ = 422688.

The previous prime is 1268207. The next prime is 1268213. The reversal of 1268208 is 8028621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268207) 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 5 ways as a sum of consecutive naturals, for example, 4260 + ... + 4547.

21268208 is an apocalyptic number.

1268208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1268208 is an abundant number, since it is smaller than the sum of its proper divisors (2281416).

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

1268208 is a wasteful number, since it uses less digits than its factorization.

1268208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8821 (or 8812 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1268208 is about 1126.1474148618. The cubic root of 1268208 is about 108.2422545470.

The spelling of 1268208 in words is "one million, two hundred sixty-eight thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 8807 17614 26421 35228 52842 70456 79263 105684 140912 158526 211368 317052 422736 634104 1268208