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3974293 = 31128203
BaseRepresentation
bin1111001010010010010101
321110220201001
433022102111
52004134133
6221103301
745531601
oct17122225
97426631
103974293
112274a44
1213b7b31
13a91c6b
14756501
1553787d
hex3ca495

3974293 has 4 divisors (see below), whose sum is σ = 4102528. Its totient is φ = 3846060.

The previous prime is 3974291. The next prime is 3974309. The reversal of 3974293 is 3924793.

3974293 is nontrivially palindromic in base 12.

3974293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 3924793 = 6758579.

It is a cyclic number.

It is not a de Polignac number, because 3974293 - 21 = 3974291 is a prime.

It is a Duffinian number.

3974293 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974291) 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, 64071 + ... + 64132.

It is an arithmetic number, because the mean of its divisors is an integer number (1025632).

Almost surely, 23974293 is an apocalyptic number.

It is an amenable number.

3974293 is a deficient number, since it is larger than the sum of its proper divisors (128235).

3974293 is a wasteful number, since it uses less digits than its factorization.

3974293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128234.

The product of its digits is 40824, while the sum is 37.

The square root of 3974293 is about 1993.5628909066. The cubic root of 3974293 is about 158.3993130986.

The spelling of 3974293 in words is "three million, nine hundred seventy-four thousand, two hundred ninety-three".

Divisors: 1 31 128203 3974293