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162230538 = 23142319001
BaseRepresentation
bin10011010101101…
…11000100001010
3102022021011110110
421222313010022
5313012334123
624033055150
74006636221
oct1152670412
9368234413
10162230538
1183636228
12463b74b6
13277c1b02
141778dcb8
15e398493
hex9ab710a

162230538 has 16 divisors (see below), whose sum is σ = 324706176. Its totient is φ = 54036000.

The previous prime is 162230521. The next prime is 162230557. The reversal of 162230538 is 835032261.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 963 + ... + 18038.

It is an arithmetic number, because the mean of its divisors is an integer number (20294136).

Almost surely, 2162230538 is an apocalyptic number.

162230538 is an abundant number, since it is smaller than the sum of its proper divisors (162475638).

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

162230538 is a wasteful number, since it uses less digits than its factorization.

162230538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20429.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 162230538 is about 12736.9752296218. The cubic root of 162230538 is about 545.3946450029.

Adding to 162230538 its reverse (835032261), we get a palindrome (997262799).

The spelling of 162230538 in words is "one hundred sixty-two million, two hundred thirty thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 1423 2846 4269 8538 19001 38002 57003 114006 27038423 54076846 81115269 162230538