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3142642 = 24433547
BaseRepresentation
bin1011111111001111110010
312220122220011
423333033302
51301031032
6151205134
735466136
oct13771762
95818804
103142642
111857128
1210767aa
13860569
145bb3c6
15421247
hex2ff3f2

3142642 has 8 divisors (see below), whose sum is σ = 4725936. Its totient is φ = 1567332.

The previous prime is 3142639. The next prime is 3142649. The reversal of 3142642 is 2462413.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (3142649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888 + ... + 2659.

It is an arithmetic number, because the mean of its divisors is an integer number (590742).

Almost surely, 23142642 is an apocalyptic number.

3142642 is a deficient number, since it is larger than the sum of its proper divisors (1583294).

3142642 is a wasteful number, since it uses less digits than its factorization.

3142642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992.

The product of its digits is 1152, while the sum is 22.

The square root of 3142642 is about 1772.7498413482. The cubic root of 3142642 is about 146.4754935770.

The spelling of 3142642 in words is "three million, one hundred forty-two thousand, six hundred forty-two".

Divisors: 1 2 443 886 3547 7094 1571321 3142642