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1280414 = 2712127
BaseRepresentation
bin100111000100110011110
32102001101202
410320212132
5311433124
643235502
713611662
oct4704636
92361352
101280414
117a4aa3
12518b92
1335aa55
142548a2
151a45ae
hex13899e

1280414 has 12 divisors (see below), whose sum is σ = 1963392. Its totient is φ = 626220.

The previous prime is 1280407. The next prime is 1280417. The reversal of 1280414 is 4140821.

It is a super-2 number, since 2×12804142 = 3278920022792, which contains 22 as substring.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1280417) 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, 10019 + ... + 10145.

It is an arithmetic number, because the mean of its divisors is an integer number (163616).

21280414 is an apocalyptic number.

1280414 is a deficient number, since it is larger than the sum of its proper divisors (682978).

1280414 is an equidigital number, since it uses as much as digits as its factorization.

1280414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1280414 is about 1131.5537989862. The cubic root of 1280414 is about 108.5884093279.

The spelling of 1280414 in words is "one million, two hundred eighty thousand, four hundred fourteen".

Divisors: 1 2 71 127 142 254 5041 9017 10082 18034 640207 1280414