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3144969 = 322231567
BaseRepresentation
bin1011111111110100001001
312220210002100
423333310021
51301114334
6151224013
735506002
oct13776411
95823070
103144969
111858953
121078009
13861639
145bc1a9
15421c99
hex2ffd09

3144969 has 12 divisors (see below), whose sum is σ = 4566016. Its totient is φ = 2085912.

The previous prime is 3144961. The next prime is 3144971. The reversal of 3144969 is 9694413.

It is not a de Polignac number, because 3144969 - 23 = 3144961 is a prime.

It is a super-2 number, since 2×31449692 = 19781660021922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

3144969 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3144961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1224 + ... + 2790.

Almost surely, 23144969 is an apocalyptic number.

It is an amenable number.

3144969 is a deficient number, since it is larger than the sum of its proper divisors (1421047).

3144969 is a wasteful number, since it uses less digits than its factorization.

3144969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796 (or 1793 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 3144969 is about 1773.4060448752. The cubic root of 3144969 is about 146.5116377279.

The spelling of 3144969 in words is "three million, one hundred forty-four thousand, nine hundred sixty-nine".

Divisors: 1 3 9 223 669 1567 2007 4701 14103 349441 1048323 3144969