Base | Representation |
---|---|
bin | 1110100100000… |
… | …1111000111101 |
3 | 11020221120000100 |
4 | 3221001320331 |
5 | 111114243133 |
6 | 10021151313 |
7 | 1341143031 |
oct | 351017075 |
9 | 136846010 |
10 | 61087293 |
11 | 31533873 |
12 | 1855b539 |
13 | c86ab37 |
14 | 81821c1 |
15 | 5569e13 |
hex | 3a41e3d |
61087293 has 12 divisors (see below), whose sum is σ = 88399168. Its totient is φ = 40650120.
The previous prime is 61087283. The next prime is 61087297. The reversal of 61087293 is 39278016.
It is not a de Polignac number, because 61087293 - 216 = 61021757 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61087297) 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, 805 + ... + 11082.
Almost surely, 261087293 is an apocalyptic number.
It is an amenable number.
61087293 is a deficient number, since it is larger than the sum of its proper divisors (27311875).
61087293 is a wasteful number, since it uses less digits than its factorization.
61087293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12464 (or 12461 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 61087293 is about 7815.8360397337. The cubic root of 61087293 is about 393.8374040283.
The spelling of 61087293 in words is "sixty-one million, eighty-seven thousand, two hundred ninety-three".
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