Base | Representation |
---|---|
bin | 1110100011000… |
… | …1000001111000 |
3 | 11020211001021112 |
4 | 3220301001320 |
5 | 111110040412 |
6 | 10015455452 |
7 | 1340434502 |
oct | 350610170 |
9 | 136731245 |
10 | 61018232 |
11 | 314969a0 |
12 | 18527588 |
13 | c845582 |
14 | 8164d72 |
15 | 5554722 |
hex | 3a31078 |
61018232 has 32 divisors (see below), whose sum is σ = 125118000. Its totient is φ = 27667200.
The previous prime is 61018229. The next prime is 61018249. The reversal of 61018232 is 23281016.
It is a junction number, because it is equal to n+sod(n) for n = 61018198 and 61018207.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57644 + ... + 58692.
Almost surely, 261018232 is an apocalyptic number.
It is an amenable number.
61018232 is an abundant number, since it is smaller than the sum of its proper divisors (64099768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61018232 is a wasteful number, since it uses less digits than its factorization.
61018232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1727 (or 1723 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 23.
The square root of 61018232 is about 7811.4167729036. The cubic root of 61018232 is about 393.6889331012.
Adding to 61018232 its reverse (23281016), we get a palindrome (84299248).
The spelling of 61018232 in words is "sixty-one million, eighteen thousand, two hundred thirty-two".
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