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1989014 = 24991993
BaseRepresentation
bin111100101100110010110
310202001102012
413211212112
51002122024
6110344222
722622606
oct7454626
93661365
101989014
111139415
127bb072
13548441
1439ac06
1529450e
hex1e5996

1989014 has 8 divisors (see below), whose sum is σ = 2991000. Its totient is φ = 992016.

The previous prime is 1989007. The next prime is 1989019. The reversal of 1989014 is 4109891.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1989019) 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, 2 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (373875).

21989014 is an apocalyptic number.

1989014 is a deficient number, since it is larger than the sum of its proper divisors (1001986).

1989014 is a wasteful number, since it uses less digits than its factorization.

1989014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1989014 is about 1410.3240762321. The cubic root of 1989014 is about 125.7609897553.

The spelling of 1989014 in words is "one million, nine hundred eighty-nine thousand, fourteen".

Divisors: 1 2 499 998 1993 3986 994507 1989014