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557058133 = 1362740879
BaseRepresentation
bin100001001101000…
…000100001010101
31102211012111002201
4201031000201111
52120101330013
6131135404501
716542626122
oct4115004125
91384174081
10557058133
11266499025
12136683731
138b541cc8
1453da9749
1533d893dd
hex21340855

557058133 has 4 divisors (see below), whose sum is σ = 557112640. Its totient is φ = 557003628.

The previous prime is 557058121. The next prime is 557058149. The reversal of 557058133 is 331850755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a 3-Lehmer number, since φ(557058133) divides (557058133-1)3.

It is a cyclic number.

It is not a de Polignac number, because 557058133 - 25 = 557058101 is a prime.

It is a deceptive number, since it divides R557058132.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557058092 and 557058101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557058433) 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, 6813 + ... + 34066.

It is an arithmetic number, because the mean of its divisors is an integer number (139278160).

Almost surely, 2557058133 is an apocalyptic number.

557058133 is the 13627-th octagonal number.

It is an amenable number.

557058133 is a deficient number, since it is larger than the sum of its proper divisors (54507).

557058133 is a wasteful number, since it uses less digits than its factorization.

557058133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54506.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 557058133 is about 23602.0789974104. The cubic root of 557058133 is about 822.8111592053.

The spelling of 557058133 in words is "five hundred fifty-seven million, fifty-eight thousand, one hundred thirty-three".

Divisors: 1 13627 40879 557058133