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1987014 = 2361289
BaseRepresentation
bin111100101000111000110
310201221200010
413211013012
51002041024
6110331050
722614021
oct7450706
93657603
101987014
111137967
127b9a86
13547563
1439a1b8
15293b29
hex1e51c6

1987014 has 24 divisors (see below), whose sum is σ = 4085640. Its totient is φ = 644160.

The previous prime is 1987003. The next prime is 1987031. The reversal of 1987014 is 4107891.

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 11 ways as a sum of consecutive naturals, for example, 22282 + ... + 22370.

It is an arithmetic number, because the mean of its divisors is an integer number (170235).

21987014 is an apocalyptic number.

1987014 is an abundant number, since it is smaller than the sum of its proper divisors (2098626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1987014 is an equidigital number, since it uses as much as digits as its factorization.

1987014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1987014 is about 1409.6148410115. The cubic root of 1987014 is about 125.7188237490.

The spelling of 1987014 in words is "one million, nine hundred eighty-seven thousand, fourteen".

Divisors: 1 2 3 6 61 89 122 178 183 267 366 534 3721 5429 7442 10858 11163 16287 22326 32574 331169 662338 993507 1987014