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1268470 = 25718121
BaseRepresentation
bin100110101101011110110
32101110000101
410311223312
5311042340
643104314
713532110
oct4655366
92343011
101268470
11797025
1251209a
13355498
142503b0
151a0c9a
hex135af6

1268470 has 16 divisors (see below), whose sum is σ = 2609568. Its totient is φ = 434880.

The previous prime is 1268467. The next prime is 1268479. The reversal of 1268470 is 748621.

It is a super-2 number, since 2×12684702 = 3218032281800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8991 + ... + 9130.

It is an arithmetic number, because the mean of its divisors is an integer number (163098).

21268470 is an apocalyptic number.

1268470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1268470 is an abundant number, since it is smaller than the sum of its proper divisors (1341098).

1268470 is a wasteful number, since it uses less digits than its factorization.

1268470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18135.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1268470 is about 1126.2637346554. The cubic root of 1268470 is about 108.2497079821.

The spelling of 1268470 in words is "one million, two hundred sixty-eight thousand, four hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 18121 36242 90605 126847 181210 253694 634235 1268470