Base | Representation |
---|---|
bin | 100110011001… |
… | …1100100001000 |
3 | 1101212220212100 |
4 | 1030303210020 |
5 | 20123243102 |
6 | 1555313400 |
7 | 333065103 |
oct | 114634410 |
9 | 41786770 |
10 | 20134152 |
11 | 104020a5 |
12 | 68ab860 |
13 | 422c4cc |
14 | 296173a |
15 | 1b7aa1c |
hex | 1333908 |
20134152 has 24 divisors (see below), whose sum is σ = 54530190. Its totient is φ = 6711360.
The previous prime is 20134139. The next prime is 20134183. The reversal of 20134152 is 25143102.
It can be written as a sum of positive squares in only one way, i.e., 19766916 + 367236 = 4446^2 + 606^2 .
It is a tau number, because it is divible by the number of its divisors (24).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139749 + ... + 139892.
Almost surely, 220134152 is an apocalyptic number.
It is an amenable number.
20134152 is an abundant number, since it is smaller than the sum of its proper divisors (34396038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20134152 is a wasteful number, since it uses less digits than its factorization.
20134152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 279653 (or 279646 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 20134152 is about 4487.1095373302. The cubic root of 20134152 is about 272.0473173160.
Adding to 20134152 its reverse (25143102), we get a palindrome (45277254).
The spelling of 20134152 in words is "twenty million, one hundred thirty-four thousand, one hundred fifty-two".
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