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1985102 = 27141793
BaseRepresentation
bin111100100101001001110
310201212001022
413210221032
51002010402
6110314142
722605320
oct7445116
93655038
101985102
111136489
127b8952
13546722
14399610
152932a2
hex1e4a4e

1985102 has 8 divisors (see below), whose sum is σ = 3403056. Its totient is φ = 850752.

The previous prime is 1985077. The next prime is 1985167. The reversal of 1985102 is 2015891.

It is a happy number.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70883 + ... + 70910.

It is an arithmetic number, because the mean of its divisors is an integer number (425382).

21985102 is an apocalyptic number.

1985102 is a deficient number, since it is larger than the sum of its proper divisors (1417954).

1985102 is a wasteful number, since it uses less digits than its factorization.

1985102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141802.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1985102 is about 1408.9364783410. The cubic root of 1985102 is about 125.6784865844.

The spelling of 1985102 in words is "one million, nine hundred eighty-five thousand, one hundred two".

Divisors: 1 2 7 14 141793 283586 992551 1985102