Base | Representation |
---|---|
bin | 10011011111101… |
… | …00110101101110 |
3 | 102101201021221000 |
4 | 21233310311232 |
5 | 313331012032 |
6 | 24121021130 |
7 | 4024000044 |
oct | 1157646556 |
9 | 371637830 |
10 | 163532142 |
11 | 84345134 |
12 | 469247a6 |
13 | 27b593a7 |
14 | 17a0c394 |
15 | e553e7c |
hex | 9bf4d6e |
163532142 has 32 divisors (see below), whose sum is σ = 365738400. Its totient is φ = 54160704.
The previous prime is 163532141. The next prime is 163532153. The reversal of 163532142 is 241235361.
163532142 is a `hidden beast` number, since 1 + 635 + 3 + 21 + 4 + 2 = 666.
It is a super-2 number, since 2×1635321422 = 53485522934216328, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163532141) 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, 1167 + ... + 18122.
It is an arithmetic number, because the mean of its divisors is an integer number (11429325).
Almost surely, 2163532142 is an apocalyptic number.
163532142 is an abundant number, since it is smaller than the sum of its proper divisors (202206258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
163532142 is a wasteful number, since it uses less digits than its factorization.
163532142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19457 (or 19451 counting only the distinct ones).
The product of its digits is 4320, while the sum is 27.
The square root of 163532142 is about 12787.9686424389. The cubic root of 163532142 is about 546.8493603304.
The spelling of 163532142 in words is "one hundred sixty-three million, five hundred thirty-two thousand, one hundred forty-two".
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