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3144942 = 232379461
BaseRepresentation
bin1011111111110011101110
312220210001100
423333303232
51301114232
6151223530
735505633
oct13776356
95823040
103144942
111858929
121077ba6
13861618
145bc18a
15421c7c
hex2ffcee

3144942 has 24 divisors (see below), whose sum is σ = 6846840. Its totient is φ = 1043280.

The previous prime is 3144941. The next prime is 3144959. The reversal of 3144942 is 2494413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3144941) 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 11 ways as a sum of consecutive naturals, for example, 6592 + ... + 7052.

It is an arithmetic number, because the mean of its divisors is an integer number (285285).

Almost surely, 23144942 is an apocalyptic number.

3144942 is an abundant number, since it is smaller than the sum of its proper divisors (3701898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3144942 is a wasteful number, since it uses less digits than its factorization.

3144942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 845 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 3144942 is about 1773.3984323891. The cubic root of 3144942 is about 146.5112184523.

The spelling of 3144942 in words is "three million, one hundred forty-four thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 379 461 758 922 1137 1383 2274 2766 3411 4149 6822 8298 174719 349438 524157 1048314 1572471 3144942