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2057444417 = 7618954139
BaseRepresentation
bin111101010100010…
…0001110001000001
312022101110000011002
41322220201301001
513203201210132
6540054101345
7101661663140
oct17250416101
95271400132
102057444417
11966412496
1249504a855
1326a33b042
1415736d757
15c095d262
hex7aa21c41

2057444417 has 16 divisors (see below), whose sum is σ = 2416809600. Its totient is φ = 1715091840.

The previous prime is 2057444387. The next prime is 2057444419. The reversal of 2057444417 is 7144447502.

It is a happy number.

It is not a de Polignac number, because 2057444417 - 210 = 2057443393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2057444419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10934 + ... + 65072.

It is an arithmetic number, because the mean of its divisors is an integer number (151050600).

Almost surely, 22057444417 is an apocalyptic number.

It is an amenable number.

2057444417 is a deficient number, since it is larger than the sum of its proper divisors (359365183).

2057444417 is an equidigital number, since it uses as much as digits as its factorization.

2057444417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54296.

The product of its (nonzero) digits is 125440, while the sum is 38.

The square root of 2057444417 is about 45359.0610242320. The cubic root of 2057444417 is about 1271.8699419471.

The spelling of 2057444417 in words is "two billion, fifty-seven million, four hundred forty-four thousand, four hundred seventeen".

Divisors: 1 7 61 89 427 623 5429 38003 54139 378973 3302479 4818371 23117353 33728597 293920631 2057444417