Search a number
-
+
163234136 = 23131725431
BaseRepresentation
bin10011011101011…
…00000101011000
3102101011011010202
421232230011120
5313241443021
624110401332
74021316162
oct1156540530
9371134122
10163234136
118416124a
1246800248
1327a83860
1417971932
15e4e5a0b
hex9bac158

163234136 has 48 divisors (see below), whose sum is σ = 350201040. Its totient is φ = 70894080.

The previous prime is 163234133. The next prime is 163234147. The reversal of 163234136 is 631432361.

It is a junction number, because it is equal to n+sod(n) for n = 163234099 and 163234108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163234133) 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 11 ways as a sum of consecutive naturals, for example, 27341 + ... + 32771.

It is an arithmetic number, because the mean of its divisors is an integer number (7295855).

Almost surely, 2163234136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163234136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175100520).

163234136 is an abundant number, since it is smaller than the sum of its proper divisors (186966904).

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

163234136 is a wasteful number, since it uses less digits than its factorization.

163234136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484 (or 5463 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 163234136 is about 12776.3115178051. The cubic root of 163234136 is about 546.5169822848.

Adding to 163234136 its reverse (631432361), we get a palindrome (794666497).

The spelling of 163234136 in words is "one hundred sixty-three million, two hundred thirty-four thousand, one hundred thirty-six".

Divisors: 1 2 4 8 13 17 26 34 52 68 104 136 221 289 442 578 884 1156 1768 2312 3757 5431 7514 10862 15028 21724 30056 43448 70603 92327 141206 184654 282412 369308 564824 738616 1200251 1569559 2400502 3139118 4801004 6278236 9602008 12556472 20404267 40808534 81617068 163234136