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12260550 = 235281737
BaseRepresentation
bin101110110001…
…010011000110
3212001220022110
4232301103012
511114314200
61114441450
7206133021
oct56612306
925056273
1012260550
116a14595
124133286
132703783
1418b21b8
151122b50
hexbb14c6

12260550 has 24 divisors (see below), whose sum is σ = 30406536. Its totient is φ = 3269440.

The previous prime is 12260539. The next prime is 12260581. The reversal of 12260550 is 5506221.

12260550 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40719 + ... + 41018.

It is an arithmetic number, because the mean of its divisors is an integer number (1266939).

Almost surely, 212260550 is an apocalyptic number.

12260550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12260550 is an abundant number, since it is smaller than the sum of its proper divisors (18145986).

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

12260550 is a wasteful number, since it uses less digits than its factorization.

12260550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81752 (or 81747 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12260550 is about 3501.5068184997. The cubic root of 12260550 is about 230.5879726250.

Adding to 12260550 its reverse (5506221), we get a palindrome (17766771).

The spelling of 12260550 in words is "twelve million, two hundred sixty thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 81737 163474 245211 408685 490422 817370 1226055 2043425 2452110 4086850 6130275 12260550