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14343940 = 22513431283
BaseRepresentation
bin110110101101…
…111100000100
3222222202012001
4312231330010
512133001230
61231235044
7232631032
oct66557404
928882161
1014343940
1181078a6
124978a84
132c82b50
141c95552
1513d50ca
hexdadf04

14343940 has 48 divisors (see below), whose sum is σ = 33219648. Its totient is φ = 5169024.

The previous prime is 14343929. The next prime is 14343997. The reversal of 14343940 is 4934341.

It is a super-2 number, since 2×143439402 = 411497229447200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14343899 and 14343908.

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, 10539 + ... + 11821.

It is an arithmetic number, because the mean of its divisors is an integer number (692076).

Almost surely, 214343940 is an apocalyptic number.

14343940 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 14343940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16609824).

14343940 is an abundant number, since it is smaller than the sum of its proper divisors (18875708).

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

14343940 is a wasteful number, since it uses less digits than its factorization.

14343940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348 (or 1346 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 14343940 is about 3787.3394355405. The cubic root of 14343940 is about 242.9719579037.

The spelling of 14343940 in words is "fourteen million, three hundred forty-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 13 20 26 43 52 65 86 130 172 215 260 430 559 860 1118 1283 2236 2566 2795 5132 5590 6415 11180 12830 16679 25660 33358 55169 66716 83395 110338 166790 220676 275845 333580 551690 717197 1103380 1434394 2868788 3585985 7171970 14343940