Search a number
-
+
30000650 = 2525311321
BaseRepresentation
bin111001001110…
…0011000001010
32002110012011012
41302130120022
530140010100
62551003522
7513000311
oct162343012
962405135
1030000650
1115a30a29
12a0695a2
1362a5384
143dad278
152979135
hex1c9c60a

30000650 has 24 divisors (see below), whose sum is σ = 56859084. Its totient is φ = 11772800.

The previous prime is 30000647. The next prime is 30000683. The reversal of 30000650 is 5600003.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 7027801 + 22972849 = 2651^2 + 4793^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3011 + ... + 8310.

Almost surely, 230000650 is an apocalyptic number.

30000650 is a deficient number, since it is larger than the sum of its proper divisors (26858434).

30000650 is a wasteful number, since it uses less digits than its factorization.

30000650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11386 (or 11381 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 30000650 is about 5477.2849113407. The cubic root of 30000650 is about 310.7254946915.

Adding to 30000650 its reverse (5600003), we get a palindrome (35600653).

The spelling of 30000650 in words is "thirty million, six hundred fifty", and thus it is an aban number.

Divisors: 1 2 5 10 25 50 53 106 265 530 1325 2650 11321 22642 56605 113210 283025 566050 600013 1200026 3000065 6000130 15000325 30000650