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57793089 = 3234191999
BaseRepresentation
bin1101110001110…
…1101001000001
311000202012012210
43130131221001
5104243334324
65422412333
71301142654
oct334355101
9130665183
1057793089
112a693892
12174310a9
13bc865c3
14796589b
155118d29
hex371da41

57793089 has 16 divisors (see below), whose sum is σ = 80640000. Its totient is φ = 36747216.

The previous prime is 57793051. The next prime is 57793091. The reversal of 57793089 is 98039775.

57793089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57793089 - 29 = 57792577 is a prime.

It is a super-2 number, since 2×577930892 = 6680082272323842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57793009) 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, 27912 + ... + 29910.

It is an arithmetic number, because the mean of its divisors is an integer number (5040000).

Almost surely, 257793089 is an apocalyptic number.

It is an amenable number.

57793089 is a deficient number, since it is larger than the sum of its proper divisors (22846911).

57793089 is a wasteful number, since it uses less digits than its factorization.

57793089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444.

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 57793089 is about 7602.1765962124. The cubic root of 57793089 is about 386.6268127605.

The spelling of 57793089 in words is "fifty-seven million, seven hundred ninety-three thousand, eighty-nine".

Divisors: 1 3 23 69 419 1257 1999 5997 9637 28911 45977 137931 837581 2512743 19264363 57793089