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2057465879 = 7331887987
BaseRepresentation
bin111101010100010…
…0111000000010111
312022101111002120222
41322220213000113
513203202402004
6540054344555
7101662112540
oct17250470027
95271432528
102057465879
11966427627
1249505b15b
1326a347a41
141573774c7
15c09647be
hex7aa27017

2057465879 has 8 divisors (see below), whose sum is σ = 2358496128. Its totient is φ = 1758212280.

The previous prime is 2057465869. The next prime is 2057465881. The reversal of 2057465879 is 9785647502.

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 2057465879 - 220 = 2056417303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2057465879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057465869) 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, 441677 + ... + 446310.

It is an arithmetic number, because the mean of its divisors is an integer number (294812016).

Almost surely, 22057465879 is an apocalyptic number.

2057465879 is a deficient number, since it is larger than the sum of its proper divisors (301030249).

2057465879 is an equidigital number, since it uses as much as digits as its factorization.

2057465879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888325.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The square root of 2057465879 is about 45359.2976025864. The cubic root of 2057465879 is about 1271.8743643878.

The spelling of 2057465879 in words is "two billion, fifty-seven million, four hundred sixty-five thousand, eight hundred seventy-nine".

Divisors: 1 7 331 2317 887987 6215909 293923697 2057465879