Search a number
-
+
58409287 = 193074173
BaseRepresentation
bin1101111011010…
…0000101000111
311001220111110221
43132310011013
5104423044122
65443525211
71306320316
oct336640507
9131814427
1058409287
112aa74842
1217689807
13c140c11
147a8627d
1551db6c7
hex37b4147

58409287 has 4 divisors (see below), whose sum is σ = 61483480. Its totient is φ = 55335096.

The previous prime is 58409261. The next prime is 58409291. The reversal of 58409287 is 78290485.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 58409287 - 219 = 57884999 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 (58409227) 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, 1537068 + ... + 1537105.

It is an arithmetic number, because the mean of its divisors is an integer number (15370870).

Almost surely, 258409287 is an apocalyptic number.

58409287 is a deficient number, since it is larger than the sum of its proper divisors (3074193).

58409287 is a wasteful number, since it uses less digits than its factorization.

58409287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074192.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 58409287 is about 7642.5968754083. The cubic root of 58409287 is about 387.9960476269.

The spelling of 58409287 in words is "fifty-eight million, four hundred nine thousand, two hundred eighty-seven".

Divisors: 1 19 3074173 58409287