Search a number
-
+
58020857 = 107542251
BaseRepresentation
bin1101110101010…
…1001111111001
311001011202122122
43131111033321
5104323131412
65431331025
71303112006
oct335251771
9131152578
1058020857
112a829a24
1217520a75
13c03618b
1479c48ad
155161572
hex37553f9

58020857 has 4 divisors (see below), whose sum is σ = 58563216. Its totient is φ = 57478500.

The previous prime is 58020811. The next prime is 58020869. The reversal of 58020857 is 75802085.

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 58020857 - 28 = 58020601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58023857) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 271019 + ... + 271232.

It is an arithmetic number, because the mean of its divisors is an integer number (14640804).

Almost surely, 258020857 is an apocalyptic number.

It is an amenable number.

58020857 is a deficient number, since it is larger than the sum of its proper divisors (542359).

58020857 is a wasteful number, since it uses less digits than its factorization.

58020857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542358.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 58020857 is about 7617.1423119172. The cubic root of 58020857 is about 387.1340578550.

The spelling of 58020857 in words is "fifty-eight million, twenty thousand, eight hundred fifty-seven".

Divisors: 1 107 542251 58020857