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1412281 = 13108637
BaseRepresentation
bin101011000110010111001
32122202021201
411120302321
5330143111
650134201
715001303
oct5306271
92582251
101412281
11885082
12581361
133a5a90
1428a973
151cd6c1
hex158cb9

1412281 has 4 divisors (see below), whose sum is σ = 1520932. Its totient is φ = 1303632.

The previous prime is 1412273. The next prime is 1412287. The reversal of 1412281 is 1822141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1822141 = 10118041.

It can be written as a sum of positive squares in 2 ways, for example, as 341056 + 1071225 = 584^2 + 1035^2 .

It is a cyclic number.

It is not a de Polignac number, because 1412281 - 23 = 1412273 is a prime.

It is a super-2 number, since 2×14122812 = 3989075245922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1412287) 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 3 ways as a sum of consecutive naturals, for example, 54306 + ... + 54331.

It is an arithmetic number, because the mean of its divisors is an integer number (380233).

21412281 is an apocalyptic number.

It is an amenable number.

1412281 is a deficient number, since it is larger than the sum of its proper divisors (108651).

1412281 is a wasteful number, since it uses less digits than its factorization.

1412281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108650.

The product of its digits is 128, while the sum is 19.

The square root of 1412281 is about 1188.3942948365. The cubic root of 1412281 is about 112.1950523310.

The spelling of 1412281 in words is "one million, four hundred twelve thousand, two hundred eighty-one".

Divisors: 1 13 108637 1412281