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67243343 = 247327191
BaseRepresentation
bin1000000001000…
…00110101001111
311200112022112012
410000200311033
5114203241333
610401131435
71444362506
oct400406517
9150468465
1067243343
1134a58a12
121a629b7b
1310c14b7b
148d0583d
155d83e48
hex4020d4f

67243343 has 4 divisors (see below), whose sum is σ = 67273008. Its totient is φ = 67213680.

The previous prime is 67243339. The next prime is 67243349. The reversal of 67243343 is 34334276.

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

It is a cyclic number.

It is not a de Polignac number, because 67243343 - 22 = 67243339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67243349) 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, 11123 + ... + 16068.

It is an arithmetic number, because the mean of its divisors is an integer number (16818252).

Almost surely, 267243343 is an apocalyptic number.

67243343 is a deficient number, since it is larger than the sum of its proper divisors (29665).

67243343 is a wasteful number, since it uses less digits than its factorization.

67243343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29664.

The product of its digits is 36288, while the sum is 32.

The square root of 67243343 is about 8200.2038389299. The cubic root of 67243343 is about 406.6459320104.

The spelling of 67243343 in words is "sixty-seven million, two hundred forty-three thousand, three hundred forty-three".

Divisors: 1 2473 27191 67243343