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1341389 = 7191627
BaseRepresentation
bin101000111011111001101
32112011001002
411013133031
5320411024
644430045
714254520
oct5073715
92464032
101341389
11836895
12548325
1337c72a
1426cbb7
151b76ae
hex1477cd

1341389 has 4 divisors (see below), whose sum is σ = 1533024. Its totient is φ = 1149756.

The previous prime is 1341371. The next prime is 1341409. The reversal of 1341389 is 9831431.

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 1341389 - 212 = 1337293 is a prime.

It is a Duffinian number.

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 (1341359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95807 + ... + 95820.

It is an arithmetic number, because the mean of its divisors is an integer number (383256).

21341389 is an apocalyptic number.

It is an amenable number.

1341389 is a deficient number, since it is larger than the sum of its proper divisors (191635).

1341389 is an equidigital number, since it uses as much as digits as its factorization.

1341389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191634.

The product of its digits is 2592, while the sum is 29.

The square root of 1341389 is about 1158.1834915073. The cubic root of 1341389 is about 110.2854569276.

The spelling of 1341389 in words is "one million, three hundred forty-one thousand, three hundred eighty-nine".

Divisors: 1 7 191627 1341389