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12570424 = 23972167
BaseRepresentation
bin101111111100…
…111100111000
3212122122101021
4233330330320
511204223144
61125232224
7211563316
oct57747470
925578337
1012570424
117106389
124262674
1327b1829
1419530b6
151184884
hexbfcf38

12570424 has 24 divisors (see below), whose sum is σ = 23957640. Its totient is φ = 6183168.

The previous prime is 12570421. The next prime is 12570431. The reversal of 12570424 is 42407521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12570421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75189 + ... + 75355.

It is an arithmetic number, because the mean of its divisors is an integer number (998235).

Almost surely, 212570424 is an apocalyptic number.

It is an amenable number.

12570424 is a deficient number, since it is larger than the sum of its proper divisors (11387216).

12570424 is an equidigital number, since it uses as much as digits as its factorization.

12570424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 12570424 is about 3545.4793752044. The cubic root of 12570424 is about 232.5144647416.

Adding to 12570424 its reverse (42407521), we get a palindrome (54977945).

The spelling of 12570424 in words is "twelve million, five hundred seventy thousand, four hundred twenty-four".

Divisors: 1 2 4 8 97 167 194 334 388 668 776 1336 9409 16199 18818 32398 37636 64796 75272 129592 1571303 3142606 6285212 12570424