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2302112220 = 2235291323053
BaseRepresentation
bin1000100100110111…
…0111000111011100
312221102211102021120
42021031313013130
514203320042340
61020234130540
7111022426302
oct21115670734
95842742246
102302112220
11a81533a91
12542b80a50
132a8c346a5
1417ba5c272
15d718c4d0
hex893771dc

2302112220 has 48 divisors (see below), whose sum is σ = 6668192160. Its totient is φ = 592727296.

The previous prime is 2302112203. The next prime is 2302112221. The reversal of 2302112220 is 222112032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2302112220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302112221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 659787 + ... + 663266.

It is an arithmetic number, because the mean of its divisors is an integer number (138920670).

Almost surely, 22302112220 is an apocalyptic number.

2302112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2302112220 is an abundant number, since it is smaller than the sum of its proper divisors (4366079940).

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

2302112220 is a wasteful number, since it uses less digits than its factorization.

2302112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323094 (or 1323092 counting only the distinct ones).

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

The square root of 2302112220 is about 47980.3315953527. The cubic root of 2302112220 is about 1320.4100769064.

Adding to 2302112220 its reverse (222112032), we get a palindrome (2524224252).

The spelling of 2302112220 in words is "two billion, three hundred two million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 580 870 1740 1323053 2646106 3969159 5292212 6615265 7938318 13230530 15876636 19845795 26461060 38368537 39691590 76737074 79383180 115105611 153474148 191842685 230211222 383685370 460422444 575528055 767370740 1151056110 2302112220