Search a number
-
+
404089293557 is a prime number
BaseRepresentation
bin1011110000101011001…
…10010100101011110101
31102122000200022000011202
411320111212110223311
523110033324343212
6505345215542245
741123465215445
oct5702546245365
91378020260152
10404089293557
11146411965154
126639482a985
132c14a8c5281
14157b531c125
15a7a090b0c2
hex5e15994af5

404089293557 has 2 divisors, whose sum is σ = 404089293558. Its totient is φ = 404089293556.

The previous prime is 404089293551. The next prime is 404089293563. The reversal of 404089293557 is 755392980404.

It is a balanced prime because it is at equal distance from previous prime (404089293551) and next prime (404089293563).

It can be written as a sum of positive squares in only one way, i.e., 395843563921 + 8245729636 = 629161^2 + 90806^2 .

It is a cyclic number.

It is not a de Polignac number, because 404089293557 - 210 = 404089292533 is a prime.

It is a super-3 number, since 3×4040892935573 (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404089293551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202044646778 + 202044646779.

It is an arithmetic number, because the mean of its divisors is an integer number (202044646779).

Almost surely, 2404089293557 is an apocalyptic number.

It is an amenable number.

404089293557 is a deficient number, since it is larger than the sum of its proper divisors (1).

404089293557 is an equidigital number, since it uses as much as digits as its factorization.

404089293557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 404089293557 in words is "four hundred four billion, eighty-nine million, two hundred ninety-three thousand, five hundred fifty-seven".