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1301329 = 1968491
BaseRepresentation
bin100111101101101010001
32110010002101
410331231101
5313120304
643520401
714026651
oct4755521
92403071
101301329
11809787
12529101
13367423
1425c361
151aa8a4
hex13db51

1301329 has 4 divisors (see below), whose sum is σ = 1369840. Its totient is φ = 1232820.

The previous prime is 1301323. The next prime is 1301347. The reversal of 1301329 is 9231031.

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.

It is a cyclic number.

It is not a de Polignac number, because 1301329 - 25 = 1301297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 68491 = 1301329 / (1 + 3 + 0 + 1 + 3 + 2 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301323) 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, 34227 + ... + 34264.

It is an arithmetic number, because the mean of its divisors is an integer number (342460).

21301329 is an apocalyptic number.

1301329 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1301329 is a deficient number, since it is larger than the sum of its proper divisors (68511).

1301329 is an equidigital number, since it uses as much as digits as its factorization.

1301329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68510.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1301329 is about 1140.7580812775. The cubic root of 1301329 is about 109.1764669510.

The spelling of 1301329 in words is "one million, three hundred one thousand, three hundred twenty-nine".

Divisors: 1 19 68491 1301329