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12030310 = 256911741
BaseRepresentation
bin101101111001…
…000101100110
3211122012111001
4231321011212
511034432220
61105503514
7204153535
oct55710546
924565431
1012030310
116877606
124041b9a
132652a36
14185231c
1510c980a
hexb79166

12030310 has 16 divisors (see below), whose sum is σ = 21698352. Its totient is φ = 4802400.

The previous prime is 12030301. The next prime is 12030323. The reversal of 12030310 is 1303021.

It is a super-2 number, since 2×120303102 = 289456717392200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6040 + ... + 7780.

It is an arithmetic number, because the mean of its divisors is an integer number (1356147).

Almost surely, 212030310 is an apocalyptic number.

12030310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12030310 is a deficient number, since it is larger than the sum of its proper divisors (9668042).

12030310 is a wasteful number, since it uses less digits than its factorization.

12030310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 12030310 is about 3468.4737277367. The cubic root of 12030310 is about 229.1354436066.

Adding to 12030310 its reverse (1303021), we get a palindrome (13333331).

The spelling of 12030310 in words is "twelve million, thirty thousand, three hundred ten".

Divisors: 1 2 5 10 691 1382 1741 3455 3482 6910 8705 17410 1203031 2406062 6015155 12030310