Base | Representation |
---|---|
bin | 1101111100111… |
… | …1100110001001 |
3 | 11002010020002020 |
4 | 3133033212021 |
5 | 104440200433 |
6 | 5450155053 |
7 | 1310300025 |
oct | 337174611 |
9 | 132106066 |
10 | 58521993 |
11 | 30041492 |
12 | 17722a89 |
13 | c1802ca |
14 | 7ab5385 |
15 | 520ecb3 |
hex | 37cf989 |
58521993 has 8 divisors (see below), whose sum is σ = 78084000. Its totient is φ = 38987328.
The previous prime is 58521989. The next prime is 58522001. The reversal of 58521993 is 39912585.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 58521993 - 22 = 58521989 is a prime.
It is not an unprimeable number, because it can be changed into a prime (58521193) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1168 + ... + 10881.
It is an arithmetic number, because the mean of its divisors is an integer number (9760500).
Almost surely, 258521993 is an apocalyptic number.
It is an amenable number.
58521993 is a deficient number, since it is larger than the sum of its proper divisors (19562007).
58521993 is a wasteful number, since it uses less digits than its factorization.
58521993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13671.
The product of its digits is 97200, while the sum is 42.
The square root of 58521993 is about 7649.9668626733. The cubic root of 58521993 is about 388.2454451014.
It can be divided in two parts, 585 and 21993, that added together give a triangular number (22578 = T212).
The spelling of 58521993 in words is "fifty-eight million, five hundred twenty-one thousand, nine hundred ninety-three".
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