Search a number
-
+
30352441 = 731612293
BaseRepresentation
bin111001111001…
…0010000111001
32010010001201111
41303302100321
530232234231
63002320321
7515664040
oct163622071
963101644
1030352441
1116151269
12a1b90a1
136399532
144061557
1529e84b1
hex1cf2439

30352441 has 16 divisors (see below), whose sum is σ = 36410368. Its totient is φ = 24753600.

The previous prime is 30352409. The next prime is 30352477. The reversal of 30352441 is 14425303.

It is a cyclic number.

It is not a de Polignac number, because 30352441 - 25 = 30352409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30352141) 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 15 ways as a sum of consecutive naturals, for example, 12091 + ... + 14383.

It is an arithmetic number, because the mean of its divisors is an integer number (2275648).

Almost surely, 230352441 is an apocalyptic number.

30352441 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30352441 is a deficient number, since it is larger than the sum of its proper divisors (6057927).

30352441 is a wasteful number, since it uses less digits than its factorization.

30352441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 30352441 is about 5509.3049470872. The cubic root of 30352441 is about 311.9353121698.

Adding to 30352441 its reverse (14425303), we get a palindrome (44777744).

It can be divided in two parts, 3035 and 2441, that added together give a square (5476 = 742).

The spelling of 30352441 in words is "thirty million, three hundred fifty-two thousand, four hundred forty-one".

Divisors: 1 7 31 61 217 427 1891 2293 13237 16051 71083 139873 497581 979111 4336063 30352441