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12313650 = 2352103797
BaseRepresentation
bin101110111110…
…010000110010
3212011121011010
4232332100302
511123014100
61115531350
7206443566
oct56762062
925147133
1012313650
116a50478
124159b56
1327219ab
1418c76a6
151133750
hexbbe432

12313650 has 48 divisors (see below), whose sum is σ = 30873024. Its totient is φ = 3247680.

The previous prime is 12313633. The next prime is 12313657. The reversal of 12313650 is 5631321.

It is not an unprimeable number, because it can be changed into a prime (12313657) 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, 15052 + ... + 15848.

It is an arithmetic number, because the mean of its divisors is an integer number (643188).

Almost surely, 212313650 is an apocalyptic number.

12313650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12313650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15436512).

12313650 is an abundant number, since it is smaller than the sum of its proper divisors (18559374).

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

12313650 is a wasteful number, since it uses less digits than its factorization.

12313650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 12313650 is about 3509.0810762933. The cubic root of 12313650 is about 230.9203825992.

Adding to 12313650 its reverse (5631321), we get a palindrome (17944971).

The spelling of 12313650 in words is "twelve million, three hundred thirteen thousand, six hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 103 150 206 309 515 618 797 1030 1545 1594 2391 2575 3090 3985 4782 5150 7725 7970 11955 15450 19925 23910 39850 59775 82091 119550 164182 246273 410455 492546 820910 1231365 2052275 2462730 4104550 6156825 12313650