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557411387 = 13157273107
BaseRepresentation
bin100001001110010…
…110110000111011
31102211212102200012
4201032112300323
52120144131022
6131151132135
716545630041
oct4116266073
91384772605
10557411387
1126670a475
1213681404b
138b636a30
145405c391
1533e08de2
hex21396c3b

557411387 has 8 divisors (see below), whose sum is σ = 604114896. Its totient is φ = 511254432.

The previous prime is 557411381. The next prime is 557411389. The reversal of 557411387 is 783114755.

It is a happy number.

557411387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 557411387 - 216 = 557345851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557411381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134513 + ... + 138594.

It is an arithmetic number, because the mean of its divisors is an integer number (75514362).

Almost surely, 2557411387 is an apocalyptic number.

557411387 is a deficient number, since it is larger than the sum of its proper divisors (46703509).

557411387 is a wasteful number, since it uses less digits than its factorization.

557411387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273277.

The product of its digits is 117600, while the sum is 41.

The square root of 557411387 is about 23609.5613470475. The cubic root of 557411387 is about 822.9850488453.

It can be divided in two parts, 5574 and 11387, that added together give a palindrome (16961).

The spelling of 557411387 in words is "five hundred fifty-seven million, four hundred eleven thousand, three hundred eighty-seven".

Divisors: 1 13 157 2041 273107 3550391 42877799 557411387