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69243 = 323081
BaseRepresentation
bin10000111001111011
310111222120
4100321323
54203433
61252323
7405606
oct207173
9114876
1069243
1148029
12340a3
1325695
141b33d
15157b3
hex10e7b

69243 has 4 divisors (see below), whose sum is σ = 92328. Its totient is φ = 46160.

The previous prime is 69239. The next prime is 69247. The reversal of 69243 is 34296.

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

It is an interprime number because it is at equal distance from previous prime (69239) and next prime (69247).

It is a cyclic number.

It is not a de Polignac number, because 69243 - 22 = 69239 is a prime.

It is a D-number.

69243 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (69247) 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, 11538 + ... + 11543.

It is an arithmetic number, because the mean of its divisors is an integer number (23082).

269243 is an apocalyptic number.

69243 is a deficient number, since it is larger than the sum of its proper divisors (23085).

69243 is a wasteful number, since it uses less digits than its factorization.

69243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23084.

The product of its digits is 1296, while the sum is 24.

The square root of 69243 is about 263.1406468032. The cubic root of 69243 is about 41.0637517023.

The spelling of 69243 in words is "sixty-nine thousand, two hundred forty-three".

Divisors: 1 3 23081 69243