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1268488 = 231312197
BaseRepresentation
bin100110101101100001000
32101110001001
410311230020
5311042423
643104344
713532134
oct4655410
92343031
101268488
11797041
125120b4
133554b0
142503c4
151a0cad
hex135b08

1268488 has 16 divisors (see below), whose sum is σ = 2561580. Its totient is φ = 585408.

The previous prime is 1268479. The next prime is 1268537. The reversal of 1268488 is 8848621.

It can be written as a sum of positive squares in 2 ways, for example, as 1258884 + 9604 = 1122^2 + 98^2 .

It is a super-2 number, since 2×12684882 = 3218123612288, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5995 + ... + 6202.

21268488 is an apocalyptic number.

It is an amenable number.

1268488 is an abundant number, since it is smaller than the sum of its proper divisors (1293092).

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

1268488 is a wasteful number, since it uses less digits than its factorization.

1268488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12216 (or 12212 counting only the distinct ones).

The product of its digits is 24576, while the sum is 37.

The square root of 1268488 is about 1126.2717256506. The cubic root of 1268488 is about 108.2502200125.

The spelling of 1268488 in words is "one million, two hundred sixty-eight thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 13 26 52 104 12197 24394 48788 97576 158561 317122 634244 1268488