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3142142 = 22815591
BaseRepresentation
bin1011111111000111111110
312220122012122
423333013332
51301022032
6151202542
735464523
oct13770776
95818178
103142142
111856813
121076452
13860273
145bb14a
15421012
hex2ff1fe

3142142 has 8 divisors (see below), whose sum is σ = 4730832. Its totient is φ = 1565200.

The previous prime is 3142123. The next prime is 3142157. The reversal of 3142142 is 2412413.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3142142.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2234 + ... + 3357.

It is an arithmetic number, because the mean of its divisors is an integer number (591354).

Almost surely, 23142142 is an apocalyptic number.

3142142 is a deficient number, since it is larger than the sum of its proper divisors (1588690).

3142142 is a wasteful number, since it uses less digits than its factorization.

3142142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5874.

The product of its digits is 192, while the sum is 17.

The square root of 3142142 is about 1772.6088118928. The cubic root of 3142142 is about 146.4677249934.

Adding to 3142142 its reverse (2412413), we get a palindrome (5554555).

It can be divided in two parts, 3 and 142142, that multiplied together give a triangular number (426426 = T923).

The spelling of 3142142 in words is "three million, one hundred forty-two thousand, one hundred forty-two".

Divisors: 1 2 281 562 5591 11182 1571071 3142142