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1342997 = 10113297
BaseRepresentation
bin101000111111000010101
32112020020122
411013320111
5320433442
644441325
714262305
oct5077025
92466218
101342997
11838017
12549245
13380396
1426d605
151b7dd2
hex147e15

1342997 has 4 divisors (see below), whose sum is σ = 1356396. Its totient is φ = 1329600.

The previous prime is 1342987. The next prime is 1343003. The reversal of 1342997 is 7992431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 579121 + 763876 = 761^2 + 874^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342997 - 28 = 1342741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6548 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (339099).

21342997 is an apocalyptic number.

It is an amenable number.

1342997 is a deficient number, since it is larger than the sum of its proper divisors (13399).

1342997 is a wasteful number, since it uses less digits than its factorization.

1342997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13398.

The product of its digits is 13608, while the sum is 35.

The square root of 1342997 is about 1158.8774741102. The cubic root of 1342997 is about 110.3295078330.

The spelling of 1342997 in words is "one million, three hundred forty-two thousand, nine hundred ninety-seven".

Divisors: 1 101 13297 1342997