Search a number
-
+
12263020 = 2257117963
BaseRepresentation
bin101110110001…
…111001101100
3212002000200221
4232301321230
511114404040
61114501124
7206143150
oct56617154
925060627
1012263020
116a16430
1241347a4
132704933
1418b3060
15112374a
hexbb1e6c

12263020 has 48 divisors (see below), whose sum is σ = 32110848. Its totient is φ = 3821760.

The previous prime is 12262937. The next prime is 12263029. The reversal of 12263020 is 2036221.

It is a junction number, because it is equal to n+sod(n) for n = 12262985 and 12263003.

It is not an unprimeable number, because it can be changed into a prime (12263029) 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, 2442 + ... + 5521.

It is an arithmetic number, because the mean of its divisors is an integer number (668976).

Almost surely, 212263020 is an apocalyptic number.

12263020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12263020 is an abundant number, since it is smaller than the sum of its proper divisors (19847828).

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

12263020 is a wasteful number, since it uses less digits than its factorization.

12263020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7990 (or 7988 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12263020 is about 3501.8595060339. The cubic root of 12263020 is about 230.6034562710.

Adding to 12263020 its reverse (2036221), we get a palindrome (14299241).

The spelling of 12263020 in words is "twelve million, two hundred sixty-three thousand, twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 7963 15926 31852 39815 55741 79630 87593 111482 159260 175186 222964 278705 350372 437965 557410 613151 875930 1114820 1226302 1751860 2452604 3065755 6131510 12263020