Base | Representation |
---|---|
bin | 10011011111001… |
… | …01101101000000 |
3 | 102101121010212210 |
4 | 21233211231000 |
5 | 313322021034 |
6 | 24115422120 |
7 | 4023321225 |
oct | 1157455500 |
9 | 371533783 |
10 | 163470144 |
11 | 843025a2 |
12 | 468b4940 |
13 | 27b370c6 |
14 | 179d394c |
15 | e5408e9 |
hex | 9be5b40 |
163470144 has 56 divisors (see below), whose sum is σ = 444223648. Its totient is φ = 53015040.
The previous prime is 163470143. The next prime is 163470149. The reversal of 163470144 is 441074361.
163470144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163470143) 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, 4402 + ... + 18609.
Almost surely, 2163470144 is an apocalyptic number.
It is an amenable number.
163470144 is an abundant number, since it is smaller than the sum of its proper divisors (280753504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163470144 is a wasteful number, since it uses less digits than its factorization.
163470144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23063 (or 23053 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 163470144 is about 12785.5443372584. The cubic root of 163470144 is about 546.7802447596.
The spelling of 163470144 in words is "one hundred sixty-three million, four hundred seventy thousand, one hundred forty-four".
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