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14669144 = 237416389
BaseRepresentation
bin110111111101…
…010101011000
31000121021021122
4313331111120
512223403034
61242224412
7235454120
oct67752530
930537248
1014669144
11830a166
124ab5108
133067b89
141d3bc80
15144b62e
hexdfd558

14669144 has 32 divisors (see below), whose sum is σ = 32205600. Its totient is φ = 6132480.

The previous prime is 14669141. The next prime is 14669167. The reversal of 14669144 is 44196641.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14669141) 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, 899 + ... + 5490.

It is an arithmetic number, because the mean of its divisors is an integer number (1006425).

Almost surely, 214669144 is an apocalyptic number.

14669144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

14669144 is an abundant number, since it is smaller than the sum of its proper divisors (17536456).

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

14669144 is a wasteful number, since it uses less digits than its factorization.

14669144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443 (or 6439 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 14669144 is about 3830.0318536534. The cubic root of 14669144 is about 244.7944631866.

The spelling of 14669144 in words is "fourteen million, six hundred sixty-nine thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 41 56 82 164 287 328 574 1148 2296 6389 12778 25556 44723 51112 89446 178892 261949 357784 523898 1047796 1833643 2095592 3667286 7334572 14669144