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1320141 = 3440047
BaseRepresentation
bin101000010010011001101
32111001220010
411002103031
5314221031
644143433
714135544
oct5022315
92431803
101320141
11821929
12537b79
13372b64
1426515b
151b1246
hex1424cd

1320141 has 4 divisors (see below), whose sum is σ = 1760192. Its totient is φ = 880092.

The previous prime is 1320127. The next prime is 1320149. The reversal of 1320141 is 1410231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1410231 = 3470077.

It is not a de Polignac number, because 1320141 - 215 = 1287373 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220021 + ... + 220026.

It is an arithmetic number, because the mean of its divisors is an integer number (440048).

21320141 is an apocalyptic number.

It is an amenable number.

1320141 is a deficient number, since it is larger than the sum of its proper divisors (440051).

1320141 is an equidigital number, since it uses as much as digits as its factorization.

1320141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440050.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1320141 is about 1148.9738900428. The cubic root of 1320141 is about 109.7000367567.

Adding to 1320141 its reverse (1410231), we get a palindrome (2730372).

The spelling of 1320141 in words is "one million, three hundred twenty thousand, one hundred forty-one".

Divisors: 1 3 440047 1320141