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58163109 = 319387703
BaseRepresentation
bin1101110111011…
…1111110100101
311001102222210020
43131313332211
5104342204414
65434345353
71304243514
oct335677645
9131388706
1058163109
112a916894
121758b259
13c085b54
147a2067b
15518d7a9
hex3777fa5

58163109 has 4 divisors (see below), whose sum is σ = 77550816. Its totient is φ = 38775404.

The previous prime is 58163107. The next prime is 58163141. The reversal of 58163109 is 90136185.

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 58163109 - 21 = 58163107 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 58163109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58163107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9693849 + ... + 9693854.

It is an arithmetic number, because the mean of its divisors is an integer number (19387704).

Almost surely, 258163109 is an apocalyptic number.

It is an amenable number.

58163109 is a deficient number, since it is larger than the sum of its proper divisors (19387707).

58163109 is a wasteful number, since it uses less digits than its factorization.

58163109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19387706.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 58163109 is about 7626.4742181430. The cubic root of 58163109 is about 387.4501835370.

The spelling of 58163109 in words is "fifty-eight million, one hundred sixty-three thousand, one hundred nine".

Divisors: 1 3 19387703 58163109