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1341397 = 4132717
BaseRepresentation
bin101000111011111010101
32112011001101
411013133111
5320411042
644430101
714254531
oct5073725
92464041
101341397
118368a2
12548331
1337c735
1426cbc1
151b76b7
hex1477d5

1341397 has 4 divisors (see below), whose sum is σ = 1374156. Its totient is φ = 1308640.

The previous prime is 1341371. The next prime is 1341409. The reversal of 1341397 is 7931431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7931431 = 37214363.

It can be written as a sum of positive squares in 2 ways, for example, as 625681 + 715716 = 791^2 + 846^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1341397 is a prime.

It is a super-3 number, since 3×13413973 = 7240911623383733319, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1341097) 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, 16318 + ... + 16399.

It is an arithmetic number, because the mean of its divisors is an integer number (343539).

21341397 is an apocalyptic number.

It is an amenable number.

1341397 is a deficient number, since it is larger than the sum of its proper divisors (32759).

1341397 is an equidigital number, since it uses as much as digits as its factorization.

1341397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32758.

The product of its digits is 2268, while the sum is 28.

The square root of 1341397 is about 1158.1869451863. The cubic root of 1341397 is about 110.2856761735.

The spelling of 1341397 in words is "one million, three hundred forty-one thousand, three hundred ninety-seven".

Divisors: 1 41 32717 1341397