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556785541 = 13223143243
BaseRepresentation
bin100001001011111…
…101111110000101
31102210200122011201
4201023331332011
52120014114131
6131125502501
716540412314
oct4113757605
91383618151
10556785541
11266322244
12136571a31
138b477c00
1453d3827b
1533d33761
hex212fdf85

556785541 has 12 divisors (see below), whose sum is σ = 629127648. Its totient is φ = 491606544.

The previous prime is 556785533. The next prime is 556785563. The reversal of 556785541 is 145587655.

It is not a de Polignac number, because 556785541 - 23 = 556785533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556785491 and 556785500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556785571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67735 + ... + 75508.

It is an arithmetic number, because the mean of its divisors is an integer number (52427304).

Almost surely, 2556785541 is an apocalyptic number.

It is an amenable number.

556785541 is a deficient number, since it is larger than the sum of its proper divisors (72342107).

556785541 is a wasteful number, since it uses less digits than its factorization.

556785541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143292 (or 143279 counting only the distinct ones).

The product of its digits is 840000, while the sum is 46.

The square root of 556785541 is about 23596.3035452589. The cubic root of 556785541 is about 822.6769252590.

The spelling of 556785541 in words is "five hundred fifty-six million, seven hundred eighty-five thousand, five hundred forty-one".

Divisors: 1 13 23 169 299 3887 143243 1862159 3294589 24208067 42829657 556785541