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1282268 = 221324659
BaseRepresentation
bin100111001000011011100
32102010221102
410321003130
5312013033
643252232
713620251
oct4710334
92363842
101282268
117a6429
1251a078
1335b850
14255428
151a4de8
hex1390dc

1282268 has 12 divisors (see below), whose sum is σ = 2416680. Its totient is φ = 591792.

The previous prime is 1282261. The next prime is 1282277. The reversal of 1282268 is 8622821.

It is a super-2 number, since 2×12822682 = 3288422447648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1282268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282261) 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, 12278 + ... + 12381.

It is an arithmetic number, because the mean of its divisors is an integer number (201390).

21282268 is an apocalyptic number.

It is an amenable number.

1282268 is a deficient number, since it is larger than the sum of its proper divisors (1134412).

1282268 is a wasteful number, since it uses less digits than its factorization.

1282268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24676 (or 24674 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 1282268 is about 1132.3727301556. The cubic root of 1282268 is about 108.6407949416.

The spelling of 1282268 in words is "one million, two hundred eighty-two thousand, two hundred sixty-eight".

Divisors: 1 2 4 13 26 52 24659 49318 98636 320567 641134 1282268