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557788001 = 29113170213
BaseRepresentation
bin100001001111110…
…010101101100001
31102212120120021212
4201033302231201
52120243204001
6131203155505
716552056041
oct4117625541
91385516255
10557788001
11266947421
12136975b95
138b739294
1454119721
1533e807bb
hex213f2b61

557788001 has 8 divisors (see below), whose sum is σ = 582131880. Its totient is φ = 533784832.

The previous prime is 557787983. The next prime is 557788031. The reversal of 557788001 is 100887755.

557788001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11397376 + 546390625 = 3376^2 + 23375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-557788001 is a prime.

It is a super-2 number, since 2×5577880012 = 622254908119152002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 557788001.

It is not an unprimeable number, because it can be changed into a prime (557788031) 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, 81830 + ... + 88383.

It is an arithmetic number, because the mean of its divisors is an integer number (72766485).

Almost surely, 2557788001 is an apocalyptic number.

It is an amenable number.

557788001 is a deficient number, since it is larger than the sum of its proper divisors (24343879).

557788001 is a wasteful number, since it uses less digits than its factorization.

557788001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170355.

The product of its (nonzero) digits is 78400, while the sum is 41.

The square root of 557788001 is about 23617.5358790878. The cubic root of 557788001 is about 823.1703565728.

The spelling of 557788001 in words is "five hundred fifty-seven million, seven hundred eighty-eight thousand, one".

Divisors: 1 29 113 3277 170213 4936177 19234069 557788001