[go: up one dir, main page]

Search a number
-
+
12304520 = 235319923
BaseRepresentation
bin101110111100…
…000010001000
3212011010121222
4232330002020
511122221040
61115421212
7206405144
oct56740210
925133558
1012304520
116a44628
124154808
13271a7a7
1418c4224
151130bb5
hexbbc088

12304520 has 32 divisors (see below), whose sum is σ = 28581120. Its totient is φ = 4762560.

The previous prime is 12304519. The next prime is 12304529. The reversal of 12304520 is 2540321.

It is not an unprimeable number, because it can be changed into a prime (12304529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3722 + ... + 6201.

It is an arithmetic number, because the mean of its divisors is an integer number (893160).

Almost surely, 212304520 is an apocalyptic number.

12304520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12304520 is an abundant number, since it is smaller than the sum of its proper divisors (16276600).

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

12304520 is a wasteful number, since it uses less digits than its factorization.

12304520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9965 (or 9961 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 12304520 is about 3507.7799246817. The cubic root of 12304520 is about 230.8632962390.

Adding to 12304520 its reverse (2540321), we get a palindrome (14844841).

The spelling of 12304520 in words is "twelve million, three hundred four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 20 31 40 62 124 155 248 310 620 1240 9923 19846 39692 49615 79384 99230 198460 307613 396920 615226 1230452 1538065 2460904 3076130 6152260 12304520