Search a number
-
+
16058391 = 321612477
BaseRepresentation
bin111101010000…
…100000010111
31010012211222020
4331100200113
513102332031
61332104223
7253331316
oct75204027
933184866
1016058391
1190789a8
125465073
13343330b
1421c027d
151623096
hexf50817

16058391 has 8 divisors (see below), whose sum is σ = 21429744. Its totient is φ = 10696320.

The previous prime is 16058381. The next prime is 16058411. The reversal of 16058391 is 19385061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16058391 - 214 = 16042007 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16058381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5245 + ... + 7721.

It is an arithmetic number, because the mean of its divisors is an integer number (2678718).

Almost surely, 216058391 is an apocalyptic number.

16058391 is a deficient number, since it is larger than the sum of its proper divisors (5371353).

16058391 is a wasteful number, since it uses less digits than its factorization.

16058391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641.

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

The square root of 16058391 is about 4007.2922279265. The cubic root of 16058391 is about 252.2903713833.

The spelling of 16058391 in words is "sixteen million, fifty-eight thousand, three hundred ninety-one".

Divisors: 1 3 2161 2477 6483 7431 5352797 16058391