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2220345316 = 227174664591
BaseRepresentation
bin1000010001010111…
…1100011111100100
312201201222020011201
42010111330133210
514021402022231
61004153412244
7106010423650
oct20425743744
95651866151
102220345316
11a3a366332
1251b70a084
13295005cc7
14170c55a60
15cedda161
hex8457c7e4

2220345316 has 24 divisors (see below), whose sum is σ = 4701908736. Its totient is φ = 895601280.

The previous prime is 2220345311. The next prime is 2220345343. The reversal of 2220345316 is 6135430222.

2220345316 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (2220345311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2331820 + ... + 2332771.

It is an arithmetic number, because the mean of its divisors is an integer number (195912864).

Almost surely, 22220345316 is an apocalyptic number.

It is an amenable number.

2220345316 is an abundant number, since it is smaller than the sum of its proper divisors (2481563420).

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

2220345316 is a wasteful number, since it uses less digits than its factorization.

2220345316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664619 (or 4664617 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 2220345316 is about 47120.5402770384. The cubic root of 2220345316 is about 1304.5883849353.

Adding to 2220345316 its reverse (6135430222), we get a palindrome (8355775538).

The spelling of 2220345316 in words is "two billion, two hundred twenty million, three hundred forty-five thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 4664591 9329182 18658364 32652137 65304274 79298047 130608548 158596094 317192188 555086329 1110172658 2220345316