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2220052900 = 2252131707733
BaseRepresentation
bin1000010001010011…
…0101000110100100
312201201102101001111
42010110311012210
514021313143100
61004143234404
7106005065302
oct20424650644
95651371044
102220052900
11a3a18666a
1251b5a8a04
13294c32b90
14170bbb272
15ced7d6ba
hex845351a4

2220052900 has 36 divisors (see below), whose sum is σ = 5188095892. Its totient is φ = 819711360.

The previous prime is 2220052883. The next prime is 2220052903. The reversal of 2220052900 is 92500222.

It can be written as a sum of positive squares in 6 ways, for example, as 679019364 + 1541033536 = 26058^2 + 39256^2 .

It is not an unprimeable number, because it can be changed into a prime (2220052903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 852567 + ... + 855166.

Almost surely, 22220052900 is an apocalyptic number.

2220052900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220052900 is an abundant number, since it is smaller than the sum of its proper divisors (2968042992).

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

2220052900 is a wasteful number, since it uses less digits than its factorization.

2220052900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707760 (or 1707753 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2220052900 is about 47117.4373242009. The cubic root of 2220052900 is about 1304.5311116720.

The spelling of 2220052900 in words is "two billion, two hundred twenty million, fifty-two thousand, nine hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 1707733 3415466 6830932 8538665 17077330 22200529 34154660 42693325 44401058 85386650 88802116 111002645 170773300 222005290 444010580 555013225 1110026450 2220052900