Search a number
-
+
538840534 = 21715848251
BaseRepresentation
bin100000000111100…
…000110111010110
31101112220221020211
4200013200313112
52100420344114
6125245120034
716232032441
oct4007406726
91345827224
10538840534
11257185961
1213055901a
1387833c6b
14517c6658
153248b6c4
hex201e0dd6

538840534 has 8 divisors (see below), whose sum is σ = 855805608. Its totient is φ = 253572000.

The previous prime is 538840531. The next prime is 538840541. The reversal of 538840534 is 435048835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538840531) 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 3 ways as a sum of consecutive naturals, for example, 7924092 + ... + 7924159.

It is an arithmetic number, because the mean of its divisors is an integer number (106975701).

Almost surely, 2538840534 is an apocalyptic number.

538840534 is a deficient number, since it is larger than the sum of its proper divisors (316965074).

538840534 is a wasteful number, since it uses less digits than its factorization.

538840534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15848270.

The product of its (nonzero) digits is 230400, while the sum is 40.

The square root of 538840534 is about 23212.9389349992. The cubic root of 538840534 is about 813.7420386463.

The spelling of 538840534 in words is "five hundred thirty-eight million, eight hundred forty thousand, five hundred thirty-four".

Divisors: 1 2 17 34 15848251 31696502 269420267 538840534