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12300030 = 2325197193
BaseRepresentation
bin101110111010…
…111011111110
3212010220110200
4232322323332
511122100110
61115344330
7206356101
oct56727376
925126420
1012300030
116a41216
1241520a6
132718732
1418c2738
15112e6c0
hexbbaefe

12300030 has 48 divisors (see below), whose sum is σ = 33667920. Its totient is φ = 3106944.

The previous prime is 12300017. The next prime is 12300037. The reversal of 12300030 is 3000321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12299985 and 12300021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12300037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1887 + ... + 5306.

It is an arithmetic number, because the mean of its divisors is an integer number (701415).

Almost surely, 212300030 is an apocalyptic number.

12300030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12300030 is an abundant number, since it is smaller than the sum of its proper divisors (21367890).

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

12300030 is a wasteful number, since it uses less digits than its factorization.

12300030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225 (or 7222 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 12300030 is about 3507.1398603420. The cubic root of 12300030 is about 230.8352116460.

Adding to 12300030 its reverse (3000321), we get a palindrome (15300351).

The spelling of 12300030 in words is "twelve million, three hundred thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 30 38 45 57 90 95 114 171 190 285 342 570 855 1710 7193 14386 21579 35965 43158 64737 71930 107895 129474 136667 215790 273334 323685 410001 647370 683335 820002 1230003 1366670 2050005 2460006 4100010 6150015 12300030