Base | Representation |
---|---|
bin | 1110100010110… |
… | …0101100011000 |
3 | 11020210010220202 |
4 | 3220230230120 |
5 | 111104003342 |
6 | 10015241332 |
7 | 1340331641 |
oct | 350545430 |
9 | 136703822 |
10 | 61000472 |
11 | 31484615 |
12 | 18519248 |
13 | c83a470 |
14 | 815c6c8 |
15 | 554e332 |
hex | 3a2cb18 |
61000472 has 16 divisors (see below), whose sum is σ = 123174240. Its totient is φ = 28154016.
The previous prime is 61000441. The next prime is 61000477. The reversal of 61000472 is 27400016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61000477) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293168 + ... + 293375.
It is an arithmetic number, because the mean of its divisors is an integer number (7698390).
Almost surely, 261000472 is an apocalyptic number.
It is an amenable number.
61000472 is an abundant number, since it is smaller than the sum of its proper divisors (62173768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61000472 is a wasteful number, since it uses less digits than its factorization.
61000472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 586562 (or 586558 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 61000472 is about 7810.2798925519. The cubic root of 61000472 is about 393.6507336227.
Adding to 61000472 its reverse (27400016), we get a palindrome (88400488).
The spelling of 61000472 in words is "sixty-one million, four hundred seventy-two", and thus it is an aban number.
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