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3149323 = 1392163
BaseRepresentation
bin1100000000111000001011
312221000001121
430000320023
51301234243
6151300111
735524462
oct14007013
95830047
103149323
111861151
12107a637
13863608
145bd9d9
154231ed
hex300e0b

3149323 has 6 divisors (see below), whose sum is σ = 3191604. Its totient is φ = 3107484.

The previous prime is 3149309. The next prime is 3149339. The reversal of 3149323 is 3239413.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-3149323 is a prime.

It is an Ulam number.

It is a Duffinian number.

3149323 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3149353) 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, 19240 + ... + 19402.

It is an arithmetic number, because the mean of its divisors is an integer number (531934).

Almost surely, 23149323 is an apocalyptic number.

3149323 is a deficient number, since it is larger than the sum of its proper divisors (42281).

3149323 is an equidigital number, since it uses as much as digits as its factorization.

3149323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 302 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

The square root of 3149323 is about 1774.6332015377. The cubic root of 3149323 is about 146.5792184168.

The spelling of 3149323 in words is "three million, one hundred forty-nine thousand, three hundred twenty-three".

Divisors: 1 139 163 19321 22657 3149323