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2240450251 = 131307131861
BaseRepresentation
bin1000010110001010…
…1000111011001011
312210010210122221221
42011202220323023
514042023402001
61010152342511
7106343340634
oct20542507313
95703718857
102240450251
11a4a748486
125263a4a37
13299225110
141737aa88b
15d1a5c1a1
hex858a8ecb

2240450251 has 8 divisors (see below), whose sum is σ = 2414656944. Its totient is φ = 2066509920.

The previous prime is 2240450239. The next prime is 2240450257. The reversal of 2240450251 is 1520540422.

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 2240450251 - 213 = 2240442059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240450257) 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, 48940 + ... + 82921.

It is an arithmetic number, because the mean of its divisors is an integer number (301832118).

Almost surely, 22240450251 is an apocalyptic number.

2240450251 is a deficient number, since it is larger than the sum of its proper divisors (174206693).

2240450251 is a wasteful number, since it uses less digits than its factorization.

2240450251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133181.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2240450251 is about 47333.3946701481. The cubic root of 2240450251 is about 1308.5141849212.

Adding to 2240450251 its reverse (1520540422), we get a palindrome (3760990673).

The spelling of 2240450251 in words is "two billion, two hundred forty million, four hundred fifty thousand, two hundred fifty-one".

Divisors: 1 13 1307 16991 131861 1714193 172342327 2240450251