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163147137 = 371765949
BaseRepresentation
bin10011011100101…
…10110110000001
3102100222201210120
421232112312001
5313231202022
624104450453
74020504426
oct1156266601
9370881716
10163147137
118410194a
1246779a29
1327a5308a
141794bd4d
15e4c9d5c
hex9b96d81

163147137 has 8 divisors (see below), whose sum is σ = 220593600. Its totient is φ = 107232720.

The previous prime is 163147093. The next prime is 163147151. The reversal of 163147137 is 731741361.

163147137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 163147137 - 27 = 163147009 is a prime.

It is a super-2 number, since 2×1631471372 = 53233976622593538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 163147098 and 163147107.

It is not an unprimeable number, because it can be changed into a prime (163147037) 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, 382762 + ... + 383187.

It is an arithmetic number, because the mean of its divisors is an integer number (27574200).

Almost surely, 2163147137 is an apocalyptic number.

It is an amenable number.

163147137 is a deficient number, since it is larger than the sum of its proper divisors (57446463).

163147137 is an equidigital number, since it uses as much as digits as its factorization.

163147137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766023.

The product of its digits is 10584, while the sum is 33.

The square root of 163147137 is about 12772.9063646454. The cubic root of 163147137 is about 546.4198725308.

Adding to 163147137 its reverse (731741361), we get a palindrome (894888498).

The spelling of 163147137 in words is "one hundred sixty-three million, one hundred forty-seven thousand, one hundred thirty-seven".

Divisors: 1 3 71 213 765949 2297847 54382379 163147137