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1481345 = 5296269
BaseRepresentation
bin101101001101010000001
32210021000122
411221222001
5334400340
651430025
715406535
oct5515201
92707018
101481345
11921a58
125b5315
133cb348
142a7bc5
151e3db5
hex169a81

1481345 has 4 divisors (see below), whose sum is σ = 1777620. Its totient is φ = 1185072.

The previous prime is 1481339. The next prime is 1481353. The reversal of 1481345 is 5431841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5431841 = 23236167.

It can be written as a sum of positive squares in 2 ways, for example, as 552049 + 929296 = 743^2 + 964^2 .

It is a cyclic number.

It is not a de Polignac number, because 1481345 - 26 = 1481281 is a prime.

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, 148130 + ... + 148139.

It is an arithmetic number, because the mean of its divisors is an integer number (444405).

21481345 is an apocalyptic number.

It is an amenable number.

1481345 is a deficient number, since it is larger than the sum of its proper divisors (296275).

1481345 is an equidigital number, since it uses as much as digits as its factorization.

1481345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296274.

The product of its digits is 1920, while the sum is 26.

The square root of 1481345 is about 1217.1051721195. The cubic root of 1481345 is about 113.9948956368.

The spelling of 1481345 in words is "one million, four hundred eighty-one thousand, three hundred forty-five".

Divisors: 1 5 296269 1481345