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3189393 = 32354377
BaseRepresentation
bin1100001010101010010001
320000001000200
430022222101
51304030033
6152205413
736052344
oct14125221
96001020
103189393
111889269
121099869
1387891c
145d045b
15430013
hex30aa91

3189393 has 6 divisors (see below), whose sum is σ = 4606914. Its totient is φ = 2126256.

The previous prime is 3189383. The next prime is 3189409. The reversal of 3189393 is 3939813.

It can be written as a sum of positive squares in only one way, i.e., 2585664 + 603729 = 1608^2 + 777^2 .

It is not a de Polignac number, because 3189393 - 24 = 3189377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3189313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177180 + ... + 177197.

It is an arithmetic number, because the mean of its divisors is an integer number (767819).

Almost surely, 23189393 is an apocalyptic number.

It is an amenable number.

3189393 is a deficient number, since it is larger than the sum of its proper divisors (1417521).

3189393 is a wasteful number, since it uses less digits than its factorization.

3189393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354383 (or 354380 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 3189393 is about 1785.8871744878. The cubic root of 3189393 is about 147.1982608736.

The spelling of 3189393 in words is "three million, one hundred eighty-nine thousand, three hundred ninety-three".

Divisors: 1 3 9 354377 1063131 3189393