Base | Representation |
---|---|
bin | 1000010110000100… |
… | …0010101010111101 |
3 | 12210010000101102201 |
4 | 2011201002222331 |
5 | 14041422001141 |
6 | 1010135351501 |
7 | 106336644565 |
oct | 20541025275 |
9 | 5703011381 |
10 | 2240031421 |
11 | a4a491841 |
12 | 526222591 |
13 | 2991095a4 |
14 | 1736dbda5 |
15 | d19c8031 |
hex | 85842abd |
2240031421 has 8 divisors (see below), whose sum is σ = 2288505600. Its totient is φ = 2191591248.
The previous prime is 2240031419. The next prime is 2240031439. The reversal of 2240031421 is 1241300422.
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 2240031421 - 21 = 2240031419 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2240091421) 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, 160480 + ... + 173878.
It is an arithmetic number, because the mean of its divisors is an integer number (286063200).
Almost surely, 22240031421 is an apocalyptic number.
It is an amenable number.
2240031421 is a deficient number, since it is larger than the sum of its proper divisors (48474179).
2240031421 is a wasteful number, since it uses less digits than its factorization.
2240031421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17003.
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 2240031421 is about 47328.9702085308. The cubic root of 2240031421 is about 1308.4326419144.
Adding to 2240031421 its reverse (1241300422), we get a palindrome (3481331843).
The spelling of 2240031421 in words is "two billion, two hundred forty million, thirty-one thousand, four hundred twenty-one".
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