Search a number
-
+
8540130 = 2352312377
BaseRepresentation
bin100000100100…
…111111100010
3121001212212010
4200210333202
54141241010
6503013350
7132406224
oct40447742
917055763
108540130
114903365
122a3a256
131a00241
1411c4414
15b3a620
hex824fe2

8540130 has 32 divisors (see below), whose sum is σ = 21389184. Its totient is φ = 2178176.

The previous prime is 8540117. The next prime is 8540141. The reversal of 8540130 is 310458.

It is a junction number, because it is equal to n+sod(n) for n = 8540097 and 8540106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5499 + ... + 6878.

It is an arithmetic number, because the mean of its divisors is an integer number (668412).

Almost surely, 28540130 is an apocalyptic number.

8540130 is an abundant number, since it is smaller than the sum of its proper divisors (12849054).

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

8540130 is a wasteful number, since it uses less digits than its factorization.

8540130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12410.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 8540130 is about 2922.3500816979. The cubic root of 8540130 is about 204.4034212174.

Adding to 8540130 its reverse (310458), we get a palindrome (8850588).

The spelling of 8540130 in words is "eight million, five hundred forty thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 12377 24754 37131 61885 74262 123770 185655 284671 371310 569342 854013 1423355 1708026 2846710 4270065 8540130