Base | Representation |
---|---|
bin | 10101100011111… |
… | …01001111010100 |
3 | 110121100001022202 |
4 | 22301331033110 |
5 | 332300234202 |
6 | 25540344032 |
7 | 4324232051 |
oct | 1261751724 |
9 | 417301282 |
10 | 180868052 |
11 | 93105932 |
12 | 506a5018 |
13 | 2b619021 |
14 | 1a042028 |
15 | 10d2a802 |
hex | ac7d3d4 |
180868052 has 6 divisors (see below), whose sum is σ = 316519098. Its totient is φ = 90434024.
The previous prime is 180868013. The next prime is 180868057. The reversal of 180868052 is 250868081.
It can be written as a sum of positive squares in only one way, i.e., 133726096 + 47141956 = 11564^2 + 6866^2 .
It is a junction number, because it is equal to n+sod(n) for n = 180867997 and 180868015.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (180868057) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22608503 + ... + 22608510.
It is an arithmetic number, because the mean of its divisors is an integer number (52753183).
Almost surely, 2180868052 is an apocalyptic number.
It is an amenable number.
180868052 is a deficient number, since it is larger than the sum of its proper divisors (135651046).
180868052 is a wasteful number, since it uses less digits than its factorization.
180868052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45217017 (or 45217015 counting only the distinct ones).
The product of its (nonzero) digits is 30720, while the sum is 38.
The square root of 180868052 is about 13448.7193442350. The cubic root of 180868052 is about 565.5277935454.
The spelling of 180868052 in words is "one hundred eighty million, eight hundred sixty-eight thousand, fifty-two".
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