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14230440 = 2332575647
BaseRepresentation
bin110110010010…
…001110101000
3222202222111100
4312102032220
512120333230
61225001400
7231646110
oct66221650
928688440
1014230440
11803a5a4
124923260
132c432a3
141c66040
1513b1660
hexd923a8

14230440 has 96 divisors (see below), whose sum is σ = 52865280. Its totient is φ = 3252096.

The previous prime is 14230439. The next prime is 14230451. The reversal of 14230440 is 4403241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304 + ... + 5343.

It is an arithmetic number, because the mean of its divisors is an integer number (550680).

Almost surely, 214230440 is an apocalyptic number.

14230440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14230440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26432640).

14230440 is an abundant number, since it is smaller than the sum of its proper divisors (38634840).

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

14230440 is a wasteful number, since it uses less digits than its factorization.

14230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671 (or 5664 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 14230440 is about 3772.3255426858. The cubic root of 14230440 is about 242.3294013924.

Adding to 14230440 its reverse (4403241), we get a palindrome (18633681).

The spelling of 14230440 in words is "fourteen million, two hundred thirty thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 180 210 252 280 315 360 420 504 630 840 1260 2520 5647 11294 16941 22588 28235 33882 39529 45176 50823 56470 67764 79058 84705 101646 112940 118587 135528 158116 169410 197645 203292 225880 237174 254115 316232 338820 355761 395290 406584 474348 508230 592935 677640 711522 790580 948696 1016460 1185870 1423044 1581160 1778805 2032920 2371740 2846088 3557610 4743480 7115220 14230440