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69231223 = 193358711
BaseRepresentation
bin1000010000001…
…10001001110111
311211021022101101
410020012021313
5120210344343
610511510531
71500312205
oct410061167
9154238341
1069231223
1136096496
121b228447
131145c929
1492a2075
156127e4d
hex4206277

69231223 has 4 divisors (see below), whose sum is σ = 69590128. Its totient is φ = 68872320.

The previous prime is 69231221. The next prime is 69231251. The reversal of 69231223 is 32213296.

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 69231223 - 21 = 69231221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 69231191 and 69231200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69231221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179163 + ... + 179548.

It is an arithmetic number, because the mean of its divisors is an integer number (17397532).

Almost surely, 269231223 is an apocalyptic number.

69231223 is a deficient number, since it is larger than the sum of its proper divisors (358905).

69231223 is a wasteful number, since it uses less digits than its factorization.

69231223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358904.

The product of its digits is 3888, while the sum is 28.

The square root of 69231223 is about 8320.5302114709. The cubic root of 69231223 is about 410.6142349954.

The spelling of 69231223 in words is "sixty-nine million, two hundred thirty-one thousand, two hundred twenty-three".

Divisors: 1 193 358711 69231223