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14025440 = 2551113613
BaseRepresentation
bin110101100000…
…001011100000
3222101120021202
4311200023200
512042303230
61220340332
7230133332
oct65401340
928346252
1014025440
117a0a580
1248446a8
132ba0ba0
141c11452
151370a45
hexd602e0

14025440 has 96 divisors (see below), whose sum is σ = 38991456. Its totient is φ = 4700160.

The previous prime is 14025437. The next prime is 14025449. The reversal of 14025440 is 4452041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14025449) 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, 22574 + ... + 23186.

It is an arithmetic number, because the mean of its divisors is an integer number (406161).

Almost surely, 214025440 is an apocalyptic number.

14025440 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 14025440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19495728).

14025440 is an abundant number, since it is smaller than the sum of its proper divisors (24966016).

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

14025440 is a wasteful number, since it uses less digits than its factorization.

14025440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652 (or 644 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 14025440 is about 3745.0554067997. The cubic root of 14025440 is about 241.1601238410.

Adding to 14025440 its reverse (4452041), we get a palindrome (18477481).

The spelling of 14025440 in words is "fourteen million, twenty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 13 16 20 22 26 32 40 44 52 55 65 80 88 104 110 130 143 160 176 208 220 260 286 352 416 440 520 572 613 715 880 1040 1144 1226 1430 1760 2080 2288 2452 2860 3065 4576 4904 5720 6130 6743 7969 9808 11440 12260 13486 15938 19616 22880 24520 26972 31876 33715 39845 49040 53944 63752 67430 79690 87659 98080 107888 127504 134860 159380 175318 215776 255008 269720 318760 350636 438295 539440 637520 701272 876590 1078880 1275040 1402544 1753180 2805088 3506360 7012720 14025440