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2440420319 = 13719079341
BaseRepresentation
bin1001000101110101…
…1101101111011111
320022002002012022202
42101131131233133
514444221422234
61042054402115
7114322142021
oct22135355737
96262065282
102440420319
11104260a9a7
1258136033b
132cb79b8bc
14192182011
15e43ac77e
hex9175dbdf

2440420319 has 8 divisors (see below), whose sum is σ = 2459785968. Its totient is φ = 2421077440.

The previous prime is 2440420309. The next prime is 2440420321. The reversal of 2440420319 is 9130240442.

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 2440420319 - 228 = 2171984863 is a prime.

It is a super-2 number, since 2×24404203192 = 11911302666776123522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2440420291 and 2440420300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440420309) 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, 256589 + ... + 265929.

It is an arithmetic number, because the mean of its divisors is an integer number (307473246).

Almost surely, 22440420319 is an apocalyptic number.

2440420319 is a deficient number, since it is larger than the sum of its proper divisors (19365649).

2440420319 is a wasteful number, since it uses less digits than its factorization.

2440420319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11385.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2440420319 is about 49400.6105124218. The cubic root of 2440420319 is about 1346.3403982879.

The spelling of 2440420319 in words is "two billion, four hundred forty million, four hundred twenty thousand, three hundred nineteen".

Divisors: 1 137 1907 9341 261259 1279717 17813287 2440420319