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1074397 = 4792243
BaseRepresentation
bin100000110010011011101
32000120210111
410012103131
5233340042
635010021
712063232
oct4062335
92016714
101074397
11674235
12439911
132b804c
141dd789
15163517
hex1064dd

1074397 has 4 divisors (see below), whose sum is σ = 1077120. Its totient is φ = 1071676.

The previous prime is 1074389. The next prime is 1074427. The reversal of 1074397 is 7934701.

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: 7934701 = 23344987.

It is a cyclic number.

It is not a de Polignac number, because 1074397 - 23 = 1074389 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 (1074377) 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, 643 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (269280).

21074397 is an apocalyptic number.

It is an amenable number.

1074397 is a deficient number, since it is larger than the sum of its proper divisors (2723).

1074397 is an equidigital number, since it uses as much as digits as its factorization.

1074397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2722.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 1074397 is about 1036.5312344546. The cubic root of 1074397 is about 102.4208232494.

The spelling of 1074397 in words is "one million, seventy-four thousand, three hundred ninety-seven".

Divisors: 1 479 2243 1074397