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3143942 = 21679413
BaseRepresentation
bin1011111111100100000110
312220201200022
423333210012
51301101232
6151215142
735503004
oct13774406
95821608
103143942
1118580aa
1210774b2
13861029
145bba74
15421812
hex2ff906

3143942 has 8 divisors (see below), whose sum is σ = 4744656. Its totient is φ = 1562392.

The previous prime is 3143897. The next prime is 3143953. The reversal of 3143942 is 2493413.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4373 + ... + 5040.

It is an arithmetic number, because the mean of its divisors is an integer number (593082).

Almost surely, 23143942 is an apocalyptic number.

3143942 is a deficient number, since it is larger than the sum of its proper divisors (1600714).

3143942 is a wasteful number, since it uses less digits than its factorization.

3143942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9582.

The product of its digits is 2592, while the sum is 26.

The square root of 3143942 is about 1773.1164654359. The cubic root of 3143942 is about 146.4956880387.

The spelling of 3143942 in words is "three million, one hundred forty-three thousand, nine hundred forty-two".

Divisors: 1 2 167 334 9413 18826 1571971 3143942