Base | Representation |
---|---|
bin | 1110100111010… |
… | …1111000010010 |
3 | 11021100101010100 |
4 | 3221311320102 |
5 | 111143101432 |
6 | 10025513230 |
7 | 1343020623 |
oct | 351657022 |
9 | 137311110 |
10 | 61300242 |
11 | 31669863 |
12 | 18642816 |
13 | c913a43 |
14 | 81d9a4a |
15 | 55ad07c |
hex | 3a75e12 |
61300242 has 24 divisors (see below), whose sum is σ = 134996940. Its totient is φ = 20098080.
The previous prime is 61300223. The next prime is 61300259. The reversal of 61300242 is 24200316.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 54597321 + 6702921 = 7389^2 + 2589^2 .
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 11 ways as a sum of consecutive naturals, for example, 26817 + ... + 29012.
Almost surely, 261300242 is an apocalyptic number.
61300242 is an abundant number, since it is smaller than the sum of its proper divisors (73696698).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61300242 is a wasteful number, since it uses less digits than its factorization.
61300242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55898 (or 55895 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 61300242 is about 7829.4471069163. The cubic root of 61300242 is about 394.2945095482.
Adding to 61300242 its reverse (24200316), we get a palindrome (85500558).
The spelling of 61300242 in words is "sixty-one million, three hundred thousand, two hundred forty-two".
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