Search a number
-
+
30325650 = 2352414931
BaseRepresentation
bin111001110101…
…1101110010010
32010001200222020
41303223232102
530230410100
63001552310
7515522655
oct163535622
963050866
1030325650
1116133123
12a1a5696
13638a294
14405589c
1529e05a0
hex1cebb92

30325650 has 48 divisors (see below), whose sum is σ = 77057568. Its totient is φ = 7888000.

The previous prime is 30325597. The next prime is 30325663. The reversal of 30325650 is 5652303.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30325650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3685 + ... + 8615.

It is an arithmetic number, because the mean of its divisors is an integer number (1605366).

Almost surely, 230325650 is an apocalyptic number.

30325650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30325650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38528784).

30325650 is an abundant number, since it is smaller than the sum of its proper divisors (46731918).

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

30325650 is a wasteful number, since it uses less digits than its factorization.

30325650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4987 (or 4982 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 30325650 is about 5506.8729783789. The cubic root of 30325650 is about 311.8435071540.

Adding to 30325650 its reverse (5652303), we get a palindrome (35977953).

The spelling of 30325650 in words is "thirty million, three hundred twenty-five thousand, six hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 41 50 75 82 123 150 205 246 410 615 1025 1230 2050 3075 4931 6150 9862 14793 24655 29586 49310 73965 123275 147930 202171 246550 369825 404342 606513 739650 1010855 1213026 2021710 3032565 5054275 6065130 10108550 15162825 30325650