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58000015 = 519160733
BaseRepresentation
bin1101110101000…
…0001010001111
311001010201001201
43131100022033
5104322000030
65431050331
71302664153
oct335201217
9131121051
1058000015
112a8152a7
12175109a7
13c029848
1479bb063
15515a2ca
hex375028f

58000015 has 8 divisors (see below), whose sum is σ = 69965568. Its totient is φ = 46156320.

The previous prime is 58000013. The next prime is 58000031. The reversal of 58000015 is 51000085.

58000015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 58000015 - 21 = 58000013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57999956 and 58000001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58000013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29412 + ... + 31321.

It is an arithmetic number, because the mean of its divisors is an integer number (8745696).

Almost surely, 258000015 is an apocalyptic number.

58000015 is a deficient number, since it is larger than the sum of its proper divisors (11965553).

58000015 is a wasteful number, since it uses less digits than its factorization.

58000015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60929.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 58000015 is about 7615.7740906621. The cubic root of 58000015 is about 387.0876974324.

The spelling of 58000015 in words is "fifty-eight million, fifteen", and thus it is an aban number and an uban number.

Divisors: 1 5 191 955 60733 303665 11600003 58000015