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13745343 = 34581781
BaseRepresentation
bin110100011011…
…110010111111
3221212100001210
4310123302333
512004322333
61210335503
7224555613
oct64336277
927770053
1013745343
117839097
12472a593
132b03551
141b7b343
151317a63
hexd1bcbf

13745343 has 4 divisors (see below), whose sum is σ = 18327128. Its totient is φ = 9163560.

The previous prime is 13745339. The next prime is 13745353. The reversal of 13745343 is 34354731.

13745343 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13745343 - 22 = 13745339 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13745343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13745353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2290888 + ... + 2290893.

It is an arithmetic number, because the mean of its divisors is an integer number (4581782).

Almost surely, 213745343 is an apocalyptic number.

13745343 is a deficient number, since it is larger than the sum of its proper divisors (4581785).

13745343 is an equidigital number, since it uses as much as digits as its factorization.

13745343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581784.

The product of its digits is 15120, while the sum is 30.

The square root of 13745343 is about 3707.4712406167. The cubic root of 13745343 is about 239.5439429599.

The spelling of 13745343 in words is "thirteen million, seven hundred forty-five thousand, three hundred forty-three".

Divisors: 1 3 4581781 13745343