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14236989 = 3132231637
BaseRepresentation
bin110110010011…
…110100111101
3222210022110220
4312103310331
512121040424
61225051553
7232004154
oct66236475
928708426
1014236989
118044508
124926bb9
132c46270
141c6859b
1513b3579
hexd93d3d

14236989 has 16 divisors (see below), whose sum is σ = 20547072. Its totient is φ = 8716608.

The previous prime is 14236987. The next prime is 14236997. The reversal of 14236989 is 98963241.

It is not a de Polignac number, because 14236989 - 21 = 14236987 is a prime.

It is a super-2 number, since 2×142369892 = 405383711572242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14236989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14236987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7879 + ... + 9515.

It is an arithmetic number, because the mean of its divisors is an integer number (1284192).

Almost surely, 214236989 is an apocalyptic number.

It is an amenable number.

14236989 is a deficient number, since it is larger than the sum of its proper divisors (6310083).

14236989 is a wasteful number, since it uses less digits than its factorization.

14236989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876.

The product of its digits is 93312, while the sum is 42.

The square root of 14236989 is about 3773.1934750288. The cubic root of 14236989 is about 242.3665698814.

It can be divided in two parts, 14236 and 989, that added together give a triangular number (15225 = T174).

The spelling of 14236989 in words is "fourteen million, two hundred thirty-six thousand, nine hundred eighty-nine".

Divisors: 1 3 13 39 223 669 1637 2899 4911 8697 21281 63843 365051 1095153 4745663 14236989