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2240213420 = 225176588863
BaseRepresentation
bin1000010110000110…
…1111000110101100
312210010100122002102
42011201233012230
514041443312140
61010143314232
7106341333314
oct20541570654
95703318072
102240213420
11a4a5a6555
125262ab978
13299171393
14173748444
15d1a11e15
hex8586f1ac

2240213420 has 24 divisors (see below), whose sum is σ = 4981181184. Its totient is φ = 843374336.

The previous prime is 2240213413. The next prime is 2240213447. The reversal of 2240213420 is 243120422.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2240213392 and 2240213401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3294092 + ... + 3294771.

It is an arithmetic number, because the mean of its divisors is an integer number (207549216).

Almost surely, 22240213420 is an apocalyptic number.

2240213420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2240213420 is an abundant number, since it is smaller than the sum of its proper divisors (2740967764).

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

2240213420 is a wasteful number, since it uses less digits than its factorization.

2240213420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6588889 (or 6588887 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2240213420 is about 47330.8928713583. The cubic root of 2240213420 is about 1308.4680769803.

Adding to 2240213420 its reverse (243120422), we get a palindrome (2483333842).

The spelling of 2240213420 in words is "two billion, two hundred forty million, two hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 6588863 13177726 26355452 32944315 65888630 112010671 131777260 224021342 448042684 560053355 1120106710 2240213420