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14868144 = 2433127271
BaseRepresentation
bin111000101101…
…111010110000
31000222101021000
4320231322300
512301240034
61250402000
7240243234
oct70557260
930871230
1014868144
118435725
124b90300
133107625
141d905c4
15148a599
hexe2deb0

14868144 has 80 divisors (see below), whose sum is σ = 43171840. Its totient is φ = 4898880.

The previous prime is 14868101. The next prime is 14868151. The reversal of 14868144 is 44186841.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 14868099 and 14868108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54729 + ... + 54999.

It is an arithmetic number, because the mean of its divisors is an integer number (539648).

Almost surely, 214868144 is an apocalyptic number.

14868144 is the 2439-th heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14868144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21585920).

14868144 is an abundant number, since it is smaller than the sum of its proper divisors (28303696).

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

14868144 is a wasteful number, since it uses less digits than its factorization.

14868144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 403 counting only the distinct ones).

The product of its digits is 24576, while the sum is 36.

The square root of 14868144 is about 3855.9232357504. The cubic root of 14868144 is about 245.8964465999.

The spelling of 14868144 in words is "fourteen million, eight hundred sixty-eight thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 127 144 216 254 271 381 432 508 542 762 813 1016 1084 1143 1524 1626 2032 2168 2286 2439 3048 3252 3429 4336 4572 4878 6096 6504 6858 7317 9144 9756 13008 13716 14634 18288 19512 27432 29268 34417 39024 54864 58536 68834 103251 117072 137668 206502 275336 309753 413004 550672 619506 826008 929259 1239012 1652016 1858518 2478024 3717036 4956048 7434072 14868144