Search a number
-
+
30321004 = 2272154699
BaseRepresentation
bin111001110101…
…0100101101100
32010001110121011
41303222211230
530230233004
63001515004
7515503300
oct163524554
963043534
1030321004
111612a68a
12a1a2a64
13638812c
144053d00
1529de004
hex1cea96c

30321004 has 18 divisors (see below), whose sum is σ = 61725300. Its totient is φ = 12994632.

The previous prime is 30321001. The next prime is 30321023. The reversal of 30321004 is 40012303.

It is not an unprimeable number, because it can be changed into a prime (30321001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77154 + ... + 77545.

Almost surely, 230321004 is an apocalyptic number.

It is an amenable number.

30321004 is an abundant number, since it is smaller than the sum of its proper divisors (31404296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30321004 is a wasteful number, since it uses less digits than its factorization.

30321004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154717 (or 154708 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30321004 is about 5506.4511257252. The cubic root of 30321004 is about 311.8275811537.

Adding to 30321004 its reverse (40012303), we get a palindrome (70333307).

The spelling of 30321004 in words is "thirty million, three hundred twenty-one thousand, four".

Divisors: 1 2 4 7 14 28 49 98 196 154699 309398 618796 1082893 2165786 4331572 7580251 15160502 30321004