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14662989 = 3211374003
BaseRepresentation
bin110111111011…
…110101001101
31000120221211200
4313323311031
512223203424
61242140113
7235430145
oct67736515
930527750
1014662989
118305580
124ab1639
133065133
141d39925
1514498c9
hexdfbd4d

14662989 has 24 divisors (see below), whose sum is σ = 23735712. Its totient is φ = 8644320.

The previous prime is 14662987. The next prime is 14663021. The reversal of 14662989 is 98926641.

It is a happy number.

14662989 is a `hidden beast` number, since 14 + 6 + 629 + 8 + 9 = 666.

It is not a de Polignac number, because 14662989 - 21 = 14662987 is a prime.

It is a super-4 number, since 4×146629894 (a number of 30 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14662981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1662 + ... + 5664.

It is an arithmetic number, because the mean of its divisors is an integer number (988988).

Almost surely, 214662989 is an apocalyptic number.

It is an amenable number.

14662989 is a deficient number, since it is larger than the sum of its proper divisors (9072723).

14662989 is a wasteful number, since it uses less digits than its factorization.

14662989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057 (or 4054 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 14662989 is about 3829.2282512277. The cubic root of 14662989 is about 244.7602207727.

It can be divided in two parts, 14662 and 989, that added together give a palindrome (15651).

The spelling of 14662989 in words is "fourteen million, six hundred sixty-two thousand, nine hundred eighty-nine".

Divisors: 1 3 9 11 33 37 99 111 333 407 1221 3663 4003 12009 36027 44033 132099 148111 396297 444333 1332999 1629221 4887663 14662989