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2220340190 = 251923508087
BaseRepresentation
bin1000010001010111…
…1011001111011110
312201201221222010212
42010111323033132
514021401341230
61004153332422
7106010403005
oct20425731736
95651858125
102220340190
11a3a3624a2
1251b707112
13295003883
14170c53c3c
15cedd8895
hex8457b3de

2220340190 has 32 divisors (see below), whose sum is σ = 4389880320. Its totient is φ = 804808224.

The previous prime is 2220340189. The next prime is 2220340193. The reversal of 2220340190 is 910430222.

It is a super-2 number, since 2×22203401902 = 9859821118658472200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220340193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249674 + ... + 258413.

It is an arithmetic number, because the mean of its divisors is an integer number (137183760).

Almost surely, 22220340190 is an apocalyptic number.

2220340190 is a deficient number, since it is larger than the sum of its proper divisors (2169540130).

2220340190 is a wasteful number, since it uses less digits than its factorization.

2220340190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508136.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2220340190 is about 47120.4858845916. The cubic root of 2220340190 is about 1304.5873809886.

The spelling of 2220340190 in words is "two billion, two hundred twenty million, three hundred forty thousand, one hundred ninety".

Divisors: 1 2 5 10 19 23 38 46 95 115 190 230 437 874 2185 4370 508087 1016174 2540435 5080870 9653653 11686001 19307306 23372002 48268265 58430005 96536530 116860010 222034019 444068038 1110170095 2220340190