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58180093 = 63192203
BaseRepresentation
bin1101110111110…
…0000111111101
311001110212002021
43131330013331
5104343230333
65435000141
71304344156
oct335740775
9131425067
1058180093
112a928624
1217599051
13c0907ba
147a2692d
15519382d
hex377c1fd

58180093 has 4 divisors (see below), whose sum is σ = 58272928. Its totient is φ = 58087260.

The previous prime is 58180091. The next prime is 58180099. The reversal of 58180093 is 39008185.

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 an emirpimes, since its reverse is a distinct semiprime: 39008185 = 57801637.

It is a cyclic number.

It is not a de Polignac number, because 58180093 - 21 = 58180091 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 (58180091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45471 + ... + 46732.

It is an arithmetic number, because the mean of its divisors is an integer number (14568232).

Almost surely, 258180093 is an apocalyptic number.

It is an amenable number.

58180093 is a deficient number, since it is larger than the sum of its proper divisors (92835).

58180093 is an equidigital number, since it uses as much as digits as its factorization.

58180093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92834.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 58180093 is about 7627.5876265042. The cubic root of 58180093 is about 387.4878925111.

The spelling of 58180093 in words is "fifty-eight million, one hundred eighty thousand, ninety-three".

Divisors: 1 631 92203 58180093