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3102142 = 24137831
BaseRepresentation
bin1011110101010110111110
312211121100011
423311112332
51243232032
6150253434
735240101
oct13652676
95747304
103102142
11182975a
12105727a
13847cb4
145aa738
15414247
hex2f55be

3102142 has 8 divisors (see below), whose sum is σ = 4766832. Its totient is φ = 1513200.

The previous prime is 3102131. The next prime is 3102173. The reversal of 3102142 is 2412013.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18834 + ... + 18997.

It is an arithmetic number, because the mean of its divisors is an integer number (595854).

Almost surely, 23102142 is an apocalyptic number.

3102142 is a deficient number, since it is larger than the sum of its proper divisors (1664690).

3102142 is a wasteful number, since it uses less digits than its factorization.

3102142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37874.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3102142 is about 1761.2898682500. The cubic root of 3102142 is about 145.8435491800.

Adding to 3102142 its reverse (2412013), we get a palindrome (5514155).

The spelling of 3102142 in words is "three million, one hundred two thousand, one hundred forty-two".

Divisors: 1 2 41 82 37831 75662 1551071 3102142