Search a number
-
+
30322041 = 371142357
BaseRepresentation
bin111001110101…
…0110101111001
32010001112000120
41303222311321
530230301131
63001523453
7515506311
oct163526571
963045016
1030322041
1116130442
12a1a3589
136388749
144054441
1529de496
hex1cead79

30322041 has 8 divisors (see below), whose sum is σ = 40999104. Its totient is φ = 19929840.

The previous prime is 30322031. The next prime is 30322049. The reversal of 30322041 is 14022303.

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

It is not a de Polignac number, because 30322041 - 27 = 30321913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30322041.

It is not an unprimeable number, because it can be changed into a prime (30322049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70966 + ... + 71391.

It is an arithmetic number, because the mean of its divisors is an integer number (5124888).

Almost surely, 230322041 is an apocalyptic number.

It is an amenable number.

30322041 is a deficient number, since it is larger than the sum of its proper divisors (10677063).

30322041 is a wasteful number, since it uses less digits than its factorization.

30322041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142431.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30322041 is about 5506.5452872014. The cubic root of 30322041 is about 311.8311360219.

Adding to 30322041 its reverse (14022303), we get a palindrome (44344344).

The spelling of 30322041 in words is "thirty million, three hundred twenty-two thousand, forty-one".

Divisors: 1 3 71 213 142357 427071 10107347 30322041