Search a number
-
+
506725830 = 232513433099
BaseRepresentation
bin11110001101000…
…000010111000110
31022022111100011100
4132031000113012
52014210211310
6122140520530
715362045532
oct3615002706
91268440140
10506725830
11240040686
12121850146
1380c9b590
144b426bc2
152e745ec0
hex1e3405c6

506725830 has 48 divisors (see below), whose sum is σ = 1418835600. Its totient is φ = 124732224.

The previous prime is 506725819. The next prime is 506725831. The reversal of 506725830 is 38527605.

506725830 is a `hidden beast` number, since 5 + 0 + 6 + 72 + 583 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506725831) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 215380 + ... + 217719.

It is an arithmetic number, because the mean of its divisors is an integer number (29559075).

Almost surely, 2506725830 is an apocalyptic number.

506725830 is an abundant number, since it is smaller than the sum of its proper divisors (912109770).

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

506725830 is a wasteful number, since it uses less digits than its factorization.

506725830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433125 (or 433122 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 506725830 is about 22510.5715165120. The cubic root of 506725830 is about 797.2435498446.

The spelling of 506725830 in words is "five hundred six million, seven hundred twenty-five thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 433099 866198 1299297 2165495 2598594 3897891 4330990 5630287 6496485 7795782 11260574 12992970 16890861 19489455 28151435 33781722 38978910 50672583 56302870 84454305 101345166 168908610 253362915 506725830