Search a number
-
+
12282345 = 3252311867
BaseRepresentation
bin101110110110…
…100111101001
3212010000012200
4232312213221
511121013340
61115130413
7206253405
oct56664751
925100180
1012282345
116a299a9
124143a09
13271067a
1418ba105
151129330
hexbb69e9

12282345 has 24 divisors (see below), whose sum is σ = 22216896. Its totient is φ = 6265248.

The previous prime is 12282343. The next prime is 12282353. The reversal of 12282345 is 54328221.

It is not a de Polignac number, because 12282345 - 21 = 12282343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12282343) 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, 4899 + ... + 6968.

It is an arithmetic number, because the mean of its divisors is an integer number (925704).

Almost surely, 212282345 is an apocalyptic number.

12282345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12282345 is a deficient number, since it is larger than the sum of its proper divisors (9934551).

12282345 is a wasteful number, since it uses less digits than its factorization.

12282345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11901 (or 11898 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 12282345 is about 3504.6176681630. The cubic root of 12282345 is about 230.7245268535.

The spelling of 12282345 in words is "twelve million, two hundred eighty-two thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 23 45 69 115 207 345 1035 11867 35601 59335 106803 178005 272941 534015 818823 1364705 2456469 4094115 12282345