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3144253 = 71947503
BaseRepresentation
bin1011111111101000111101
312220202002211
423333220331
51301104003
6151220421
735503630
oct13775075
95822084
103144253
111858362
121077711
13861208
145bbc17
1542196d
hex2ffa3d

3144253 has 16 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 2493936.

The previous prime is 3144221. The next prime is 3144257. The reversal of 3144253 is 3524413.

It is a cyclic number.

It is not a de Polignac number, because 3144253 - 25 = 3144221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6000 + ... + 6502.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

Almost surely, 23144253 is an apocalyptic number.

It is an amenable number.

3144253 is a deficient number, since it is larger than the sum of its proper divisors (726467).

3144253 is a wasteful number, since it uses less digits than its factorization.

3144253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576.

The product of its digits is 1440, while the sum is 22.

The square root of 3144253 is about 1773.2041619622. The cubic root of 3144253 is about 146.5005183502.

Adding to 3144253 its reverse (3524413), we get a palindrome (6668666).

The spelling of 3144253 in words is "three million, one hundred forty-four thousand, two hundred fifty-three".

Divisors: 1 7 19 47 133 329 503 893 3521 6251 9557 23641 66899 165487 449179 3144253