Search a number
-
+
30323249 = 112756659
BaseRepresentation
bin111001110101…
…1001000110001
32010001120200022
41303223020301
530230320444
63001533225
7515512655
oct163531061
963046608
1030323249
1116131340
12a1a4215
136389168
144054a65
1529de9ee
hex1ceb231

30323249 has 4 divisors (see below), whose sum is σ = 33079920. Its totient is φ = 27566580.

The previous prime is 30323243. The next prime is 30323263. The reversal of 30323249 is 94232303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30323249 - 24 = 30323233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30323243) 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 3 ways as a sum of consecutive naturals, for example, 1378319 + ... + 1378340.

It is an arithmetic number, because the mean of its divisors is an integer number (8269980).

Almost surely, 230323249 is an apocalyptic number.

It is an amenable number.

30323249 is a deficient number, since it is larger than the sum of its proper divisors (2756671).

30323249 is a wasteful number, since it uses less digits than its factorization.

30323249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756670.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 30323249 is about 5506.6549737568. The cubic root of 30323249 is about 311.8352769811.

The spelling of 30323249 in words is "thirty million, three hundred twenty-three thousand, two hundred forty-nine".

Divisors: 1 11 2756659 30323249