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163234137 = 3116178017
BaseRepresentation
bin10011011101011…
…00000101011001
3102101011011010210
421232230011121
5313241443022
624110401333
74021316163
oct1156540531
9371134123
10163234137
1184161250
1246800249
1327a83861
1417971933
15e4e5a0c
hex9bac159

163234137 has 16 divisors (see below), whose sum is σ = 237845952. Its totient is φ = 98757120.

The previous prime is 163234133. The next prime is 163234147. The reversal of 163234137 is 731432361.

163234137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163234137 - 22 = 163234133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163234133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16353 + ... + 24369.

It is an arithmetic number, because the mean of its divisors is an integer number (14865372).

Almost surely, 2163234137 is an apocalyptic number.

It is an amenable number.

163234137 is a deficient number, since it is larger than the sum of its proper divisors (74611815).

163234137 is a wasteful number, since it uses less digits than its factorization.

163234137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8648.

The product of its digits is 9072, while the sum is 30.

The square root of 163234137 is about 12776.3115569401. The cubic root of 163234137 is about 546.5169834008.

Adding to 163234137 its reverse (731432361), we get a palindrome (894666498).

The spelling of 163234137 in words is "one hundred sixty-three million, two hundred thirty-four thousand, one hundred thirty-seven".

Divisors: 1 3 11 33 617 1851 6787 8017 20361 24051 88187 264561 4946489 14839467 54411379 163234137