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58280071 = 615631697
BaseRepresentation
bin1101111001010…
…0100010000111
311001122221020011
43132110202013
5104404430241
65441051051
71305241513
oct336244207
9131587204
1058280071
112a996753
1217626a87
13c0c7165
147a51143
1551b3281
hex3794887

58280071 has 8 divisors (see below), whose sum is σ = 59375664. Its totient is φ = 57189120.

The previous prime is 58280041. The next prime is 58280077. The reversal of 58280071 is 17008285.

58280071 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 a cyclic number.

It is not a de Polignac number, because 58280071 - 25 = 58280039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58280077) 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, 33495 + ... + 35191.

It is an arithmetic number, because the mean of its divisors is an integer number (7421958).

Almost surely, 258280071 is an apocalyptic number.

58280071 is a deficient number, since it is larger than the sum of its proper divisors (1095593).

58280071 is a wasteful number, since it uses less digits than its factorization.

58280071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2321.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 58280071 is about 7634.1385237628. The cubic root of 58280071 is about 387.7097215077.

The spelling of 58280071 in words is "fifty-eight million, two hundred eighty thousand, seventy-one".

Divisors: 1 61 563 1697 34343 103517 955411 58280071