Base | Representation |
---|---|
bin | 1110011011101… |
… | …0000101000100 |
3 | 11012220021221100 |
4 | 3212322011010 |
5 | 110443443022 |
6 | 10001220100 |
7 | 1333335153 |
oct | 346720504 |
9 | 135807840 |
10 | 60531012 |
11 | 31193933 |
12 | 18331630 |
13 | c704889 |
14 | 807959a |
15 | 54aa1ac |
hex | 39ba144 |
60531012 has 36 divisors (see below), whose sum is σ = 153254556. Its totient is φ = 20144640.
The previous prime is 60530993. The next prime is 60531013. The reversal of 60531012 is 21013506.
It can be written as a sum of positive squares in 2 ways, for example, as 51494976 + 9036036 = 7176^2 + 3006^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (60531013) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34312 + ... + 36032.
It is an arithmetic number, because the mean of its divisors is an integer number (4257071).
Almost surely, 260531012 is an apocalyptic number.
It is an amenable number.
60531012 is an abundant number, since it is smaller than the sum of its proper divisors (92723544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
60531012 is a wasteful number, since it uses less digits than its factorization.
60531012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2708 (or 2703 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 60531012 is about 7780.1678645130. The cubic root of 60531012 is about 392.6382857562.
Adding to 60531012 its reverse (21013506), we get a palindrome (81544518).
The spelling of 60531012 in words is "sixty million, five hundred thirty-one thousand, twelve".
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