Base | Representation |
---|---|
bin | 1101111111111… |
… | …0000100000001 |
3 | 11002110220011102 |
4 | 3133332010001 |
5 | 110012243241 |
6 | 5454224145 |
7 | 1312021643 |
oct | 337760401 |
9 | 132426142 |
10 | 58712321 |
11 | 30161488 |
12 | 177b5055 |
13 | c218b25 |
14 | 7b24893 |
15 | 524b39b |
hex | 37fe101 |
58712321 has 4 divisors (see below), whose sum is σ = 59372100. Its totient is φ = 58052544.
The previous prime is 58712281. The next prime is 58712323. The reversal of 58712321 is 12321785.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 34810000 + 23902321 = 5900^2 + 4889^2 .
It is a cyclic number.
It is not a de Polignac number, because 58712321 - 214 = 58695937 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (58712323) 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, 329756 + ... + 329933.
It is an arithmetic number, because the mean of its divisors is an integer number (14843025).
Almost surely, 258712321 is an apocalyptic number.
It is an amenable number.
58712321 is a deficient number, since it is larger than the sum of its proper divisors (659779).
58712321 is an equidigital number, since it uses as much as digits as its factorization.
58712321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 659778.
The product of its digits is 3360, while the sum is 29.
The square root of 58712321 is about 7662.3965572137. The cubic root of 58712321 is about 388.6658797252.
It can be divided in two parts, 5871 and 2321, that added together give a 13-th power (8192 = 213).
The spelling of 58712321 in words is "fifty-eight million, seven hundred twelve thousand, three hundred twenty-one".
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