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220030008 = 233112633169
BaseRepresentation
bin11010001110101…
…10010000111000
3120100000200102120
431013112100320
5422311430013
633500001240
75311136622
oct1507262070
9510020376
10220030008
11103223890
1261830220
133677b293
1421317c12
15144b4123
hexd1d6438

220030008 has 64 divisors (see below), whose sum is σ = 602553600. Its totient is φ = 66401280.

The previous prime is 220030007. The next prime is 220030043. The reversal of 220030008 is 800030022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220030001) 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 15 ways as a sum of consecutive naturals, for example, 67848 + ... + 71016.

It is an arithmetic number, because the mean of its divisors is an integer number (9414900).

Almost surely, 2220030008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220030008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301276800).

220030008 is an abundant number, since it is smaller than the sum of its proper divisors (382523592).

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

220030008 is a wasteful number, since it uses less digits than its factorization.

220030008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452 (or 3448 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 220030008 is about 14833.4085091728. The cubic root of 220030008 is about 603.7085197981.

The spelling of 220030008 in words is "two hundred twenty million, thirty thousand, eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 263 264 526 789 1052 1578 2104 2893 3156 3169 5786 6312 6338 8679 9507 11572 12676 17358 19014 23144 25352 34716 34859 38028 69432 69718 76056 104577 139436 209154 278872 418308 833447 836616 1666894 2500341 3333788 5000682 6667576 9167917 10001364 18335834 20002728 27503751 36671668 55007502 73343336 110015004 220030008