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2240233021 = 131710136801
BaseRepresentation
bin1000010110000111…
…0011111000111101
312210010101121222101
42011201303320331
514041444424041
61010143545101
7106341444415
oct20541637075
95703347871
102240233021
11a4a60a254
125262bb191
1329917a290
14173751645
15d1a17b31
hex85873e3d

2240233021 has 8 divisors (see below), whose sum is σ = 2554474104. Its totient is φ = 1946265600.

The previous prime is 2240233003. The next prime is 2240233031. The reversal of 2240233021 is 1203320422.

It can be written as a sum of positive squares in 4 ways, for example, as 174530521 + 2065702500 = 13211^2 + 45450^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2240233021 - 27 = 2240232893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2240233021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240233001) 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 7 ways as a sum of consecutive naturals, for example, 5068180 + ... + 5068621.

It is an arithmetic number, because the mean of its divisors is an integer number (319309263).

Almost surely, 22240233021 is an apocalyptic number.

It is an amenable number.

2240233021 is a deficient number, since it is larger than the sum of its proper divisors (314241083).

2240233021 is a wasteful number, since it uses less digits than its factorization.

2240233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10136831.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2240233021 is about 47331.0999343983. The cubic root of 2240233021 is about 1308.4718931655.

Adding to 2240233021 its reverse (1203320422), we get a palindrome (3443553443).

The spelling of 2240233021 in words is "two billion, two hundred forty million, two hundred thirty-three thousand, twenty-one".

Divisors: 1 13 17 221 10136801 131778413 172325617 2240233021