Search a number
-
+
2304520 = 235173389
BaseRepresentation
bin1000110010101000001000
311100002012121
420302220020
51042221040
6121221024
725405501
oct10625010
94302177
102304520
111334469
12931774
13628c2a
1443dba8
15307c4a
hex232a08

2304520 has 32 divisors (see below), whose sum is σ = 5491800. Its totient is φ = 867328.

The previous prime is 2304479. The next prime is 2304521. The reversal of 2304520 is 254032.

It can be written as a sum of positive squares in 4 ways, for example, as 2304324 + 196 = 1518^2 + 14^2 .

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 2304494 and 2304503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1015 + ... + 2374.

22304520 is an apocalyptic number.

2304520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2304520 is an abundant number, since it is smaller than the sum of its proper divisors (3187280).

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

2304520 is a wasteful number, since it uses less digits than its factorization.

2304520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417 (or 3413 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 2304520 is about 1518.0645572570. The cubic root of 2304520 is about 132.0870255635.

Adding to 2304520 its reverse (254032), we get a palindrome (2558552).

The spelling of 2304520 in words is "two million, three hundred four thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 3389 6778 13556 16945 27112 33890 57613 67780 115226 135560 230452 288065 460904 576130 1152260 2304520