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12648230 = 2571011789
BaseRepresentation
bin110000001111…
…111100100110
3212210121002222
4300033330212
511214220410
61131032342
7212336210
oct60177446
925717088
1012648230
117159891
12429b6b2
13280b07a
1419735b0
15119c955
hexc0ff26

12648230 has 32 divisors (see below), whose sum is σ = 26291520. Its totient is φ = 4291200.

The previous prime is 12648173. The next prime is 12648239. The reversal of 12648230 is 3284621.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12648230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648239) 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 15 ways as a sum of consecutive naturals, for example, 6176 + ... + 7964.

It is an arithmetic number, because the mean of its divisors is an integer number (821610).

Almost surely, 212648230 is an apocalyptic number.

12648230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12648230 is an abundant number, since it is smaller than the sum of its proper divisors (13643290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12648230 is a wasteful number, since it uses less digits than its factorization.

12648230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 12648230 is about 3556.4350127621. The cubic root of 12648230 is about 232.9932028447.

The spelling of 12648230 in words is "twelve million, six hundred forty-eight thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 101 202 505 707 1010 1414 1789 3535 3578 7070 8945 12523 17890 25046 62615 125230 180689 361378 903445 1264823 1806890 2529646 6324115 12648230