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58300081 = 78328583
BaseRepresentation
bin1101111001100…
…1011010110001
311001200221200021
43132121122301
5104411100311
65441323441
71305354040
oct336313261
9131627607
1058300081
112a9aa794
1217636581
13c1032b8
147a58557
1551b9171
hex37996b1

58300081 has 4 divisors (see below), whose sum is σ = 66628672. Its totient is φ = 49971492.

The previous prime is 58300061. The next prime is 58300097. The reversal of 58300081 is 18000385.

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 not a de Polignac number, because 58300081 - 217 = 58169009 is a prime.

It is a super-2 number, since 2×583000812 = 6797798889213122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58300001) 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, 4164285 + ... + 4164298.

It is an arithmetic number, because the mean of its divisors is an integer number (16657168).

Almost surely, 258300081 is an apocalyptic number.

It is an amenable number.

58300081 is a deficient number, since it is larger than the sum of its proper divisors (8328591).

58300081 is an equidigital number, since it uses as much as digits as its factorization.

58300081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8328590.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 58300081 is about 7635.4489717370. The cubic root of 58300081 is about 387.7540887826.

The spelling of 58300081 in words is "fifty-eight million, three hundred thousand, eighty-one".

Divisors: 1 7 8328583 58300081