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2040310221 = 33372018111
BaseRepresentation
bin111100110011100…
…1010100111001101
312021012012111110020
41321213022213031
513134304411341
6534242532353
7101363231205
oct17147124715
95235174406
102040310221
1195777a2a4
1248b3670b9
1326691c171
14154d8d405
15be1c6566
hex799ca9cd

2040310221 has 8 divisors (see below), whose sum is σ = 2728487424. Its totient is φ = 1356169920.

The previous prime is 2040310187. The next prime is 2040310241. The reversal of 2040310221 is 1220130402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2040310221 - 26 = 2040310157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040310221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040310241) 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, 1008045 + ... + 1010066.

It is an arithmetic number, because the mean of its divisors is an integer number (341060928).

Almost surely, 22040310221 is an apocalyptic number.

It is an amenable number.

2040310221 is a deficient number, since it is larger than the sum of its proper divisors (688177203).

2040310221 is a wasteful number, since it uses less digits than its factorization.

2040310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018451.

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

The square root of 2040310221 is about 45169.7932361883. The cubic root of 2040310221 is about 1268.3294258055.

Adding to 2040310221 its reverse (1220130402), we get a palindrome (3260440623).

The spelling of 2040310221 in words is "two billion, forty million, three hundred ten thousand, two hundred twenty-one".

Divisors: 1 3 337 1011 2018111 6054333 680103407 2040310221