Search a number
-
+
162988361 = 4313032909
BaseRepresentation
bin10011011011100…
…00000101001001
3102100200122222222
421231300011021
5313211111421
624101223425
74016243504
oct1155600511
9370618888
10162988361
1184003628
1246701b75
13279c8a23
141790a13b
15e497cab
hex9b70149

162988361 has 8 divisors (see below), whose sum is σ = 166964160. Its totient is φ = 159021072.

The previous prime is 162988349. The next prime is 162988379. The reversal of 162988361 is 163889261.

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

It is a cyclic number.

It is not a de Polignac number, because 162988361 - 222 = 158794057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162988321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54575 + ... + 57483.

It is an arithmetic number, because the mean of its divisors is an integer number (20870520).

Almost surely, 2162988361 is an apocalyptic number.

It is an amenable number.

162988361 is a deficient number, since it is larger than the sum of its proper divisors (3975799).

162988361 is a wasteful number, since it uses less digits than its factorization.

162988361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255.

The product of its digits is 124416, while the sum is 44.

The square root of 162988361 is about 12766.6895082476. The cubic root of 162988361 is about 546.2425550427.

The spelling of 162988361 in words is "one hundred sixty-two million, nine hundred eighty-eight thousand, three hundred sixty-one".

Divisors: 1 43 1303 2909 56029 125087 3790427 162988361