Base | Representation |
---|---|
bin | 1110101000011… |
… | …1001110011101 |
3 | 11021110222120212 |
4 | 3222013032131 |
5 | 111202340133 |
6 | 10031222205 |
7 | 1343435024 |
oct | 352071635 |
9 | 137428525 |
10 | 61371293 |
11 | 31708185 |
12 | 18677965 |
13 | c93a199 |
14 | 82178bb |
15 | 55c4148 |
hex | 3a8739d |
61371293 has 4 divisors (see below), whose sum is σ = 61747968. Its totient is φ = 60994620.
The previous prime is 61371287. The next prime is 61371329. The reversal of 61371293 is 39217316.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-61371293 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61371203) 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, 188093 + ... + 188418.
It is an arithmetic number, because the mean of its divisors is an integer number (15436992).
Almost surely, 261371293 is an apocalyptic number.
It is an amenable number.
61371293 is a deficient number, since it is larger than the sum of its proper divisors (376675).
61371293 is a wasteful number, since it uses less digits than its factorization.
61371293 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 376674.
The product of its digits is 6804, while the sum is 32.
The square root of 61371293 is about 7833.9832141766. The cubic root of 61371293 is about 394.4467884598.
The spelling of 61371293 in words is "sixty-one million, three hundred seventy-one thousand, two hundred ninety-three".
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