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14020989 = 317592657
BaseRepresentation
bin110101011111…
…000101111101
3222101100011220
4311133011331
512042132424
61220303553
7230114343
oct65370575
928340156
1014020989
117a071a4
124841bb9
132b9bb58
141c0d993
15136e579
hexd5f17d

14020989 has 8 divisors (see below), whose sum is σ = 18712320. Its totient is φ = 9338496.

The previous prime is 14020957. The next prime is 14021003. The reversal of 14020989 is 98902041.

14020989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 14020989 - 25 = 14020957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14020939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3949 + ... + 6605.

It is an arithmetic number, because the mean of its divisors is an integer number (2339040).

Almost surely, 214020989 is an apocalyptic number.

It is an amenable number.

14020989 is a deficient number, since it is larger than the sum of its proper divisors (4691331).

14020989 is a wasteful number, since it uses less digits than its factorization.

14020989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 14020989 is about 3744.4611094255. The cubic root of 14020989 is about 241.1346102676.

The spelling of 14020989 in words is "fourteen million, twenty thousand, nine hundred eighty-nine".

Divisors: 1 3 1759 2657 5277 7971 4673663 14020989