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12520234 = 223272179
BaseRepresentation
bin101111110000…
…101100101010
3212120002112101
4233300230222
511201121414
61124204014
7211264066
oct57605452
925502471
1012520234
117081701
12423960a
132794a2c
14193caa6
151174a74
hexbf0b2a

12520234 has 8 divisors (see below), whose sum is σ = 19596960. Its totient is φ = 5987916.

The previous prime is 12520219. The next prime is 12520237. The reversal of 12520234 is 43202521.

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

It is not an unprimeable number, because it can be changed into a prime (12520237) 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 3 ways as a sum of consecutive naturals, for example, 136044 + ... + 136135.

It is an arithmetic number, because the mean of its divisors is an integer number (2449620).

Almost surely, 212520234 is an apocalyptic number.

12520234 is a deficient number, since it is larger than the sum of its proper divisors (7076726).

12520234 is a wasteful number, since it uses less digits than its factorization.

12520234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272204.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12520234 is about 3538.3942685913. The cubic root of 12520234 is about 232.2045980518.

Adding to 12520234 its reverse (43202521), we get a palindrome (55722755).

The spelling of 12520234 in words is "twelve million, five hundred twenty thousand, two hundred thirty-four".

Divisors: 1 2 23 46 272179 544358 6260117 12520234