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3142443 = 34672243
BaseRepresentation
bin1011111111001100101011
312220122121210
423333030223
51301024233
6151204203
735465433
oct13771453
95818553
103142443
111856a67
121076663
13860445
145bb2c3
15421163
hex2ff32b

3142443 has 8 divisors (see below), whose sum is σ = 4200768. Its totient is φ = 2089544.

The previous prime is 3142441. The next prime is 3142453. The reversal of 3142443 is 3442413.

Adding to 3142443 its reverse (3442413), we get a palindrome (6584856).

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

It is a cyclic number.

It is not a de Polignac number, because 3142443 - 21 = 3142441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3142441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280 + ... + 2522.

It is an arithmetic number, because the mean of its divisors is an integer number (525096).

Almost surely, 23142443 is an apocalyptic number.

3142443 is a deficient number, since it is larger than the sum of its proper divisors (1058325).

3142443 is a wasteful number, since it uses less digits than its factorization.

3142443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2713.

The product of its digits is 1152, while the sum is 21.

The square root of 3142443 is about 1772.6937129691. The cubic root of 3142443 is about 146.4724017794.

The spelling of 3142443 in words is "three million, one hundred forty-two thousand, four hundred forty-three".

Divisors: 1 3 467 1401 2243 6729 1047481 3142443