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13442343 = 312593559
BaseRepresentation
bin110011010001…
…110100100111
3221021221102120
4303101310213
511420123333
61200041023
7222154335
oct63216447
927257376
1013442343
117651482
124603173
132a28665
141adcb55
1512a7db3
hexcd1d27

13442343 has 8 divisors (see below), whose sum is σ = 17942400. Its totient is φ = 8951928.

The previous prime is 13442339. The next prime is 13442347. The reversal of 13442343 is 34324431.

It is an interprime number because it is at equal distance from previous prime (13442339) and next prime (13442347).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13442343 - 22 = 13442339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1998 + ... + 5556.

It is an arithmetic number, because the mean of its divisors is an integer number (2242800).

Almost surely, 213442343 is an apocalyptic number.

13442343 is a deficient number, since it is larger than the sum of its proper divisors (4500057).

13442343 is a wasteful number, since it uses less digits than its factorization.

13442343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4821.

The product of its digits is 3456, while the sum is 24.

The square root of 13442343 is about 3666.3800948620. The cubic root of 13442343 is about 237.7706933882.

Adding to 13442343 its reverse (34324431), we get a palindrome (47766774).

The spelling of 13442343 in words is "thirteen million, four hundred forty-two thousand, three hundred forty-three".

Divisors: 1 3 1259 3559 3777 10677 4480781 13442343