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220000030 = 2522000003
BaseRepresentation
bin11010001110011…
…10111100011110
3120022222011022021
431013032330132
5422310000110
633455210354
75310653335
oct1507167436
9508864267
10220000030
11103203308
12618169ba
133676a743
142130ad1c
15144aa2da
hexd1cef1e

220000030 has 8 divisors (see below), whose sum is σ = 396000072. Its totient is φ = 88000008.

The previous prime is 220000013. The next prime is 220000051. The reversal of 220000030 is 30000022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 219999968 and 220000022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10999992 + ... + 11000011.

It is an arithmetic number, because the mean of its divisors is an integer number (49500009).

Almost surely, 2220000030 is an apocalyptic number.

220000030 is a deficient number, since it is larger than the sum of its proper divisors (176000042).

220000030 is a wasteful number, since it uses less digits than its factorization.

220000030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22000010.

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 220000030 is about 14832.3979854911. The cubic root of 220000030 is about 603.6811011198.

Adding to 220000030 its reverse (30000022), we get a palindrome (250000052).

The spelling of 220000030 in words is "two hundred twenty million, thirty", and thus it is an aban number.

Divisors: 1 2 5 10 22000003 44000006 110000015 220000030