Base | Representation |
---|---|
bin | 100110011100… |
… | …1111100010000 |
3 | 1101221020200202 |
4 | 1030321330100 |
5 | 20130112042 |
6 | 2000034332 |
7 | 333234206 |
oct | 114717420 |
9 | 41836622 |
10 | 20160272 |
11 | 1041a790 |
12 | 69029a8 |
13 | 423b372 |
14 | 296b076 |
15 | 1b83632 |
hex | 1339f10 |
20160272 has 20 divisors (see below), whose sum is σ = 42611856. Its totient is φ = 9163680.
The previous prime is 20160269. The next prime is 20160281. The reversal of 20160272 is 27206102.
It is a super-2 number, since 2×201602722 = 812873134227968, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57098 + ... + 57449.
Almost surely, 220160272 is an apocalyptic number.
20160272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
20160272 is an abundant number, since it is smaller than the sum of its proper divisors (22451584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20160272 is a wasteful number, since it uses less digits than its factorization.
20160272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114566 (or 114560 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 20160272 is about 4490.0191536340. The cubic root of 20160272 is about 272.1649086492.
Adding to 20160272 its reverse (27206102), we get a palindrome (47366374).
The spelling of 20160272 in words is "twenty million, one hundred sixty thousand, two hundred seventy-two".
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