Search a number
-
+
42533130 = 2351417771
BaseRepresentation
bin1010001001000…
…0000100001010
32222000220111010
42202100010022
541342030010
64115344350
71024345203
oct242200412
988026433
1042533130
1122010852
12122b20b6
138a72843
1459125aa
153b02620
hex289010a

42533130 has 16 divisors (see below), whose sum is σ = 102079584. Its totient is φ = 11342160.

The previous prime is 42533089. The next prime is 42533131. The reversal of 42533130 is 3133524.

It is a junction number, because it is equal to n+sod(n) for n = 42533097 and 42533106.

It is not an unprimeable number, because it can be changed into a prime (42533131) 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, 708856 + ... + 708915.

It is an arithmetic number, because the mean of its divisors is an integer number (6379974).

Almost surely, 242533130 is an apocalyptic number.

42533130 is an abundant number, since it is smaller than the sum of its proper divisors (59546454).

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

42533130 is a wasteful number, since it uses less digits than its factorization.

42533130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417781.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 42533130 is about 6521.7428652163. The cubic root of 42533130 is about 349.0672579685.

Adding to 42533130 its reverse (3133524), we get a palindrome (45666654).

The spelling of 42533130 in words is "forty-two million, five hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1417771 2835542 4253313 7088855 8506626 14177710 21266565 42533130