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2240315421 = 34909152123
BaseRepresentation
bin1000010110001000…
…1000000000011101
312210010112211000020
42011202020000131
514042010043141
61010145422353
7106342236561
oct20542100035
95703484006
102240315421
11a4a666153
1252633a9b9
132991a8936
141737736a1
15d1a32266
hex8588801d

2240315421 has 8 divisors (see below), whose sum is σ = 2987715360. Its totient is φ = 1493229552.

The previous prime is 2240315393. The next prime is 2240315423. The reversal of 2240315421 is 1245130422.

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

It is not a de Polignac number, because 2240315421 - 222 = 2236121117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2240315391 and 2240315400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240315423) 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, 61335 + ... + 90788.

It is an arithmetic number, because the mean of its divisors is an integer number (373464420).

Almost surely, 22240315421 is an apocalyptic number.

It is an amenable number.

2240315421 is a deficient number, since it is larger than the sum of its proper divisors (747399939).

2240315421 is a wasteful number, since it uses less digits than its factorization.

2240315421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157035.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2240315421 is about 47331.9703900017. The cubic root of 2240315421 is about 1308.4879356577.

Adding to 2240315421 its reverse (1245130422), we get a palindrome (3485445843).

The spelling of 2240315421 in words is "two billion, two hundred forty million, three hundred fifteen thousand, four hundred twenty-one".

Divisors: 1 3 4909 14727 152123 456369 746771807 2240315421