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4255552220 = 2252910137243
BaseRepresentation
bin1111110110100110…
…1001001011011100
3101222120120110012012
43331221221023130
532203410132340
61542135130352
7210312411533
oct37551511334
911876513165
104255552220
11189416a407
129a92139b8
1352a85934a
142c527731a
1519d904565
hexfda692dc

4255552220 has 48 divisors (see below), whose sum is σ = 9255224160. Its totient is φ = 1641674496.

The previous prime is 4255552219. The next prime is 4255552243. The reversal of 4255552220 is 222555524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583919 + ... + 591161.

It is an arithmetic number, because the mean of its divisors is an integer number (192817170).

Almost surely, 24255552220 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 4255552220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4627612080).

4255552220 is an abundant number, since it is smaller than the sum of its proper divisors (4999671940).

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

4255552220 is a wasteful number, since it uses less digits than its factorization.

4255552220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8294 (or 8292 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 4255552220 is about 65234.5937367590. The cubic root of 4255552220 is about 1620.5109677106.

The spelling of 4255552220 in words is "four billion, two hundred fifty-five million, five hundred fifty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 1013 2026 4052 5065 7243 10130 14486 20260 28972 29377 36215 58754 72430 117508 144860 146885 210047 293770 420094 587540 840188 1050235 2100470 4200940 7337159 14674318 29348636 36685795 73371590 146743180 212777611 425555222 851110444 1063888055 2127776110 4255552220