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220055968 = 25114011559
BaseRepresentation
bin11010001110111…
…00100110100000
3120100002000001001
431013130212200
5422313242333
633500321344
75311305406
oct1507344640
9510060031
10220055968
11103241340
1261843254
133678a042
1421323476
15144bbb7d
hexd1dc9a0

220055968 has 48 divisors (see below), whose sum is σ = 474102720. Its totient is φ = 99712000.

The previous prime is 220055959. The next prime is 220055987. The reversal of 220055968 is 869550022.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 140373 + ... + 141931.

It is an arithmetic number, because the mean of its divisors is an integer number (9877140).

Almost surely, 2220055968 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 220055968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237051360).

220055968 is an abundant number, since it is smaller than the sum of its proper divisors (254046752).

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

220055968 is a wasteful number, since it uses less digits than its factorization.

220055968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981 (or 1973 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 220055968 is about 14834.2835351088. The cubic root of 220055968 is about 603.7322614943.

The spelling of 220055968 in words is "two hundred twenty million, fifty-five thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 401 802 1559 1604 3118 3208 4411 6236 6416 8822 12472 12832 17149 17644 24944 34298 35288 49888 68596 70576 137192 141152 274384 548768 625159 1250318 2500636 5001272 6876749 10002544 13753498 20005088 27506996 55013992 110027984 220055968