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58241 = 139419
BaseRepresentation
bin1110001110000001
32221220002
432032001
53330431
61125345
7331541
oct161601
987802
1058241
113a837
1229855
1320681
1417321
15123cb
hexe381

58241 has 4 divisors (see below), whose sum is σ = 58800. Its totient is φ = 57684.

The previous prime is 58237. The next prime is 58243. The reversal of 58241 is 14285.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14285 = 52857.

It is a cyclic number.

It is not a de Polignac number, because 58241 - 22 = 58237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (58243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71 + ... + 348.

It is an arithmetic number, because the mean of its divisors is an integer number (14700).

258241 is an apocalyptic number.

It is an amenable number.

58241 is a deficient number, since it is larger than the sum of its proper divisors (559).

58241 is a wasteful number, since it uses less digits than its factorization.

58241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558.

The product of its digits is 320, while the sum is 20.

The square root of 58241 is about 241.3317219099. The cubic root of 58241 is about 38.7623061851.

Subtracting from 58241 its reverse (14285), we obtain a triangular number (43956 = T296).

The spelling of 58241 in words is "fifty-eight thousand, two hundred forty-one".

Divisors: 1 139 419 58241