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12300054 = 23131031531
BaseRepresentation
bin101110111010…
…111100010110
3212010220111120
4232322330112
511122100204
61115344410
7206356134
oct56727426
925126446
1012300054
116a41238
124152106
132718750
1418c2754
15112e6d9
hexbbaf16

12300054 has 32 divisors (see below), whose sum is σ = 26767104. Its totient is φ = 3745440.

The previous prime is 12300053. The next prime is 12300059. The reversal of 12300054 is 45000321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12300053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7269 + ... + 8799.

It is an arithmetic number, because the mean of its divisors is an integer number (836472).

Almost surely, 212300054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12300054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13383552).

12300054 is an abundant number, since it is smaller than the sum of its proper divisors (14467050).

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

12300054 is a wasteful number, since it uses less digits than its factorization.

12300054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 12300054 is about 3507.1432819319. The cubic root of 12300054 is about 230.8353617822.

Adding to 12300054 its reverse (45000321), we get a palindrome (57300375).

The spelling of 12300054 in words is "twelve million, three hundred thousand, fifty-four".

Divisors: 1 2 3 6 13 26 39 78 103 206 309 618 1339 1531 2678 3062 4017 4593 8034 9186 19903 39806 59709 119418 157693 315386 473079 946158 2050009 4100018 6150027 12300054