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58087385 = 517683381
BaseRepresentation
bin1101110110010…
…1011111011001
311001022010220122
43131211133121
5104332244020
65433003025
71303506656
oct335453731
9131263818
1058087385
112a874a04
1217553475
13c05a545
147a00c2d
155176125
hex37657d9

58087385 has 8 divisors (see below), whose sum is σ = 73805256. Its totient is φ = 43736320.

The previous prime is 58087361. The next prime is 58087391. The reversal of 58087385 is 58378085.

It can be written as a sum of positive squares in 4 ways, for example, as 21557449 + 36529936 = 4643^2 + 6044^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 58087385 - 216 = 58021849 is a prime.

It is a super-2 number, since 2×580873852 = 6748288592276450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341606 + ... + 341775.

It is an arithmetic number, because the mean of its divisors is an integer number (9225657).

Almost surely, 258087385 is an apocalyptic number.

It is an amenable number.

58087385 is a deficient number, since it is larger than the sum of its proper divisors (15717871).

58087385 is a wasteful number, since it uses less digits than its factorization.

58087385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683403.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 58087385 is about 7621.5080528725. The cubic root of 58087385 is about 387.2819668332.

The spelling of 58087385 in words is "fifty-eight million, eighty-seven thousand, three hundred eighty-five".

Divisors: 1 5 17 85 683381 3416905 11617477 58087385