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231223006 = 27591571783
BaseRepresentation
bin11011100100000…
…10111011011110
3121010002100100001
431302002323132
5433143114011
634535524514
75505235360
oct1562027336
9533070301
10231223006
111095792a3
126552973a
1338b99b61
14229ccd30
15154757c1
hexdc82ede

231223006 has 32 divisors (see below), whose sum is σ = 405895680. Its totient is φ = 96741216.

The previous prime is 231222923. The next prime is 231223019. The reversal of 231223006 is 600322132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128791 + ... + 130573.

It is an arithmetic number, because the mean of its divisors is an integer number (12684240).

Almost surely, 2231223006 is an apocalyptic number.

231223006 is a deficient number, since it is larger than the sum of its proper divisors (174672674).

231223006 is a wasteful number, since it uses less digits than its factorization.

231223006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 231223006 is about 15206.0187425901. The cubic root of 231223006 is about 613.7766290229.

Adding to 231223006 its reverse (600322132), we get a palindrome (831545138).

The spelling of 231223006 in words is "two hundred thirty-one million, two hundred twenty-three thousand, six".

Divisors: 1 2 7 14 59 118 157 314 413 826 1099 1783 2198 3566 9263 12481 18526 24962 64841 105197 129682 210394 279931 559862 736379 1472758 1959517 3919034 16515929 33031858 115611503 231223006