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14420340 = 22325117283
BaseRepresentation
bin110111000000…
…100101110100
31000010121222200
4313000211310
512142422330
61233024500
7233366544
oct67004564
930117880
1014420340
11815a240
1249b5130
132cab85c
141cb5324
1513eca60
hexdc0974

14420340 has 72 divisors (see below), whose sum is σ = 47724768. Its totient is φ = 3495360.

The previous prime is 14420323. The next prime is 14420377. The reversal of 14420340 is 4302441.

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

It is a congruent number.

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, 1662 + ... + 5621.

It is an arithmetic number, because the mean of its divisors is an integer number (662844).

Almost surely, 214420340 is an apocalyptic number.

14420340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14420340 is an abundant number, since it is smaller than the sum of its proper divisors (33304428).

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

14420340 is a wasteful number, since it uses less digits than its factorization.

14420340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7309 (or 7304 counting only the distinct ones).

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

The square root of 14420340 is about 3797.4122768011. The cubic root of 14420340 is about 243.4025740697.

Adding to 14420340 its reverse (4302441), we get a palindrome (18722781).

The spelling of 14420340 in words is "fourteen million, four hundred twenty thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 7283 14566 21849 29132 36415 43698 65547 72830 80113 87396 109245 131094 145660 160226 218490 240339 262188 320452 327735 400565 436980 480678 655470 721017 801130 961356 1201695 1310940 1442034 1602260 2403390 2884068 3605085 4806780 7210170 14420340