Search a number
-
+
30233341 = 291042529
BaseRepresentation
bin111001101010…
…1001011111101
32002220000100101
41303111023331
530214431331
63000001101
7514656565
oct163251375
962800311
1030233341
111607a836
12a160191
136357268
14402dda5
1529c3061
hex1cd52fd

30233341 has 4 divisors (see below), whose sum is σ = 31275900. Its totient is φ = 29190784.

The previous prime is 30233309. The next prime is 30233363. The reversal of 30233341 is 14333203.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5522500 + 24710841 = 2350^2 + 4971^2 .

It is a cyclic number.

It is not a de Polignac number, because 30233341 - 25 = 30233309 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 (30233141) 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, 521236 + ... + 521293.

It is an arithmetic number, because the mean of its divisors is an integer number (7818975).

Almost surely, 230233341 is an apocalyptic number.

It is an amenable number.

30233341 is a deficient number, since it is larger than the sum of its proper divisors (1042559).

30233341 is a wasteful number, since it uses less digits than its factorization.

30233341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042558.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 30233341 is about 5498.4853368905. The cubic root of 30233341 is about 311.5267761663.

Adding to 30233341 its reverse (14333203), we get a palindrome (44566544).

The spelling of 30233341 in words is "thirty million, two hundred thirty-three thousand, three hundred forty-one".

Divisors: 1 29 1042529 30233341