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557803049 = 3891433941
BaseRepresentation
bin100001001111110…
…110011000101001
31102212121022221012
4201033312120221
52120244144144
6131203353305
716552150646
oct4117663051
91385538835
10557803049
11266957761
12136982835
138b74309b
1454120dcd
1533e84e9e
hex213f6629

557803049 has 4 divisors (see below), whose sum is σ = 559237380. Its totient is φ = 556368720.

The previous prime is 557803039. The next prime is 557803063. The reversal of 557803049 is 940308755.

557803049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78499600 + 479303449 = 8860^2 + 21893^2 .

It is a cyclic number.

It is not a de Polignac number, because 557803049 - 212 = 557798953 is a prime.

It is a super-2 number, since 2×5578030492 = 622288482947392802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557802997 and 557803015.

It is not an unprimeable number, because it can be changed into a prime (557803019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716582 + ... + 717359.

It is an arithmetic number, because the mean of its divisors is an integer number (139809345).

Almost surely, 2557803049 is an apocalyptic number.

It is an amenable number.

557803049 is a deficient number, since it is larger than the sum of its proper divisors (1434331).

557803049 is a wasteful number, since it uses less digits than its factorization.

557803049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434330.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 557803049 is about 23617.8544537814. The cubic root of 557803049 is about 823.1777590006.

The spelling of 557803049 in words is "five hundred fifty-seven million, eight hundred three thousand, forty-nine".

Divisors: 1 389 1433941 557803049