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14443730 = 25734211
BaseRepresentation
bin110111000110…
…010011010010
31000011211001222
4313012103102
512144144410
61233325042
7233525000
oct67062322
930154058
1014443730
118175874
124a06782
132cb93b2
141cbda70
151404955
hexdc64d2

14443730 has 32 divisors (see below), whose sum is σ = 30326400. Its totient is φ = 4950960.

The previous prime is 14443729. The next prime is 14443733. The reversal of 14443730 is 3734441.

14443730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with 15882670 it forms an amicable pair .

It is a self number, because there is not a number n which added to its sum of digits gives 14443730.

It is not an unprimeable number, because it can be changed into a prime (14443733) 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, 1325 + ... + 5535.

It is an arithmetic number, because the mean of its divisors is an integer number (947700).

Almost surely, 214443730 is an apocalyptic number.

14443730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14443730 is an abundant number, since it is smaller than the sum of its proper divisors (15882670).

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

14443730 is an equidigital number, since it uses as much as digits as its factorization.

14443730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4239 (or 4225 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 14443730 is about 3800.4907577838. The cubic root of 14443730 is about 243.5341038125.

The spelling of 14443730 in words is "fourteen million, four hundred forty-three thousand, seven hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 343 490 686 1715 3430 4211 8422 21055 29477 42110 58954 147385 206339 294770 412678 1031695 1444373 2063390 2888746 7221865 14443730