[go: up one dir, main page]

Search a number
-
+
44158231 = 1317199811
BaseRepresentation
bin1010100001110…
…0110100010111
310002002110201001
42220130310113
542301030411
64214244131
71044224125
oct250346427
9102073631
1044158231
1122a20807
1212956647
1391c1440
145c16915
153d23dc1
hex2a1cd17

44158231 has 8 divisors (see below), whose sum is σ = 50352624. Its totient is φ = 38363520.

The previous prime is 44158217. The next prime is 44158243. The reversal of 44158231 is 13285144.

44158231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 44158231 - 25 = 44158199 is a prime.

It is a super-2 number, since 2×441582312 = 3899898730098722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44158231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44188231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99685 + ... + 100126.

It is an arithmetic number, because the mean of its divisors is an integer number (6294078).

Almost surely, 244158231 is an apocalyptic number.

44158231 is a deficient number, since it is larger than the sum of its proper divisors (6194393).

44158231 is a wasteful number, since it uses less digits than its factorization.

44158231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199841.

The product of its digits is 3840, while the sum is 28.

The square root of 44158231 is about 6645.1659873926. The cubic root of 44158231 is about 353.4575170664.

The spelling of 44158231 in words is "forty-four million, one hundred fifty-eight thousand, two hundred thirty-one".

Divisors: 1 13 17 221 199811 2597543 3396787 44158231