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12069850 = 2521331599
BaseRepresentation
bin101110000010…
…101111011010
3211201012201111
4232002233122
511042213400
61110410534
7204410032
oct56025732
924635644
1012069850
1168a4291
124060a4a
132667a30
1418628c2
1510d63ba
hexb82bda

12069850 has 48 divisors (see below), whose sum is σ = 24998400. Its totient is φ = 4305600.

The previous prime is 12069823. The next prime is 12069851. The reversal of 12069850 is 5896021.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (12069851) 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 23 ways as a sum of consecutive naturals, for example, 19851 + ... + 20449.

It is an arithmetic number, because the mean of its divisors is an integer number (520800).

Almost surely, 212069850 is an apocalyptic number.

12069850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12069850 is an abundant number, since it is smaller than the sum of its proper divisors (12928550).

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

12069850 is a wasteful number, since it uses less digits than its factorization.

12069850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 12069850 is about 3474.1689653786. The cubic root of 12069850 is about 229.3862021124.

The spelling of 12069850 in words is "twelve million, sixty-nine thousand, eight hundred fifty".

Divisors: 1 2 5 10 13 25 26 31 50 62 65 130 155 310 325 403 599 650 775 806 1198 1550 2015 2995 4030 5990 7787 10075 14975 15574 18569 20150 29950 37138 38935 77870 92845 185690 194675 241397 389350 464225 482794 928450 1206985 2413970 6034925 12069850