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557814772 = 22139453693
BaseRepresentation
bin100001001111111…
…001001111110100
31102212121221000101
4201033321033310
52120300033042
6131203523444
716552230064
oct4117711764
91385557011
10557814772
11266965549
12136989584
138b748518
14541253a4
1533e886b7
hex213f93f4

557814772 has 6 divisors (see below), whose sum is σ = 976175858. Its totient is φ = 278907384.

The previous prime is 557814769. The next prime is 557814779. The reversal of 557814772 is 277418755.

It can be written as a sum of positive squares in only one way, i.e., 557243236 + 571536 = 23606^2 + 756^2 .

It is a super-2 number, since 2×5578147722 = 622314639722823968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557814779) 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 as a sum of consecutive naturals, namely, 69726843 + ... + 69726850.

Almost surely, 2557814772 is an apocalyptic number.

It is an amenable number.

557814772 is a deficient number, since it is larger than the sum of its proper divisors (418361086).

557814772 is a wasteful number, since it uses less digits than its factorization.

557814772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139453697 (or 139453695 counting only the distinct ones).

The product of its digits is 548800, while the sum is 46.

The square root of 557814772 is about 23618.1026333616. The cubic root of 557814772 is about 823.1835256986.

The spelling of 557814772 in words is "five hundred fifty-seven million, eight hundred fourteen thousand, seven hundred seventy-two".

Divisors: 1 2 4 139453693 278907386 557814772