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3144939 = 37149759
BaseRepresentation
bin1011111111110011101011
312220210001020
423333303223
51301114224
6151223523
735505630
oct13776353
95823036
103144939
111858926
121077ba3
13861615
145bc187
15421c79
hex2ffceb

3144939 has 8 divisors (see below), whose sum is σ = 4792320. Its totient is φ = 1797096.

The previous prime is 3144931. The next prime is 3144941. The reversal of 3144939 is 9394413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3144939 - 23 = 3144931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3144931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74859 + ... + 74900.

It is an arithmetic number, because the mean of its divisors is an integer number (599040).

Almost surely, 23144939 is an apocalyptic number.

3144939 is a deficient number, since it is larger than the sum of its proper divisors (1647381).

3144939 is a wasteful number, since it uses less digits than its factorization.

3144939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149769.

The product of its digits is 11664, while the sum is 33.

The square root of 3144939 is about 1773.3975865553. The cubic root of 3144939 is about 146.5111718660.

It can be divided in two parts, 314 and 4939, that added together give a triangular number (5253 = T102).

The spelling of 3144939 in words is "three million, one hundred forty-four thousand, nine hundred thirty-nine".

Divisors: 1 3 7 21 149759 449277 1048313 3144939