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12850388 = 223212597
BaseRepresentation
bin110001000001…
…010011010100
3220011212102022
4301001103110
511242203023
61135232312
7214140455
oct61012324
926155368
1012850388
117287761
124378698
13287c0a5
1419c712c
1511dc7c8
hexc414d4

12850388 has 6 divisors (see below), whose sum is σ = 22488186. Its totient is φ = 6425192.

The previous prime is 12850381. The next prime is 12850391. The reversal of 12850388 is 88305821.

It can be written as a sum of positive squares in only one way, i.e., 12759184 + 91204 = 3572^2 + 302^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12850381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606295 + ... + 1606302.

It is an arithmetic number, because the mean of its divisors is an integer number (3748031).

Almost surely, 212850388 is an apocalyptic number.

It is an amenable number.

12850388 is a deficient number, since it is larger than the sum of its proper divisors (9637798).

12850388 is a wasteful number, since it uses less digits than its factorization.

12850388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212601 (or 3212599 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 12850388 is about 3584.7437844287. The cubic root of 12850388 is about 234.2279659233.

The spelling of 12850388 in words is "twelve million, eight hundred fifty thousand, three hundred eighty-eight".

Divisors: 1 2 4 3212597 6425194 12850388