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3420393 = 31140131
BaseRepresentation
bin1101000011000011101001
320102202220020
431003003221
51333423033
6201151053
741033664
oct15030351
96382806
103420393
111a26879
12118b489
13929b02
146506db
154786b3
hex3430e9

3420393 has 4 divisors (see below), whose sum is σ = 4560528. Its totient is φ = 2280260.

The previous prime is 3420371. The next prime is 3420401. The reversal of 3420393 is 3930243.

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 3420393 - 212 = 3416297 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3420293) 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, 570063 + ... + 570068.

It is an arithmetic number, because the mean of its divisors is an integer number (1140132).

Almost surely, 23420393 is an apocalyptic number.

It is an amenable number.

3420393 is a deficient number, since it is larger than the sum of its proper divisors (1140135).

3420393 is a wasteful number, since it uses less digits than its factorization.

3420393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140134.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 3420393 is about 1849.4304528692. The cubic root of 3420393 is about 150.6694962748.

The spelling of 3420393 in words is "three million, four hundred twenty thousand, three hundred ninety-three".

Divisors: 1 3 1140131 3420393