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557250253 = 7587135617
BaseRepresentation
bin100001001101101…
…111011011001101
31102211120020122021
4201031233123031
52120124002003
6131143450141
716544356210
oct4115573315
91384506567
10557250253
1126660a3aa
12136756951
138b5ab5a1
1454019777
1533dc62bd
hex2136f6cd

557250253 has 8 divisors (see below), whose sum is σ = 637947072. Its totient is φ = 476825856.

The previous prime is 557250223. The next prime is 557250277. The reversal of 557250253 is 352052755.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-557250253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557250223) 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 7 ways as a sum of consecutive naturals, for example, 63700 + ... + 71917.

It is an arithmetic number, because the mean of its divisors is an integer number (79743384).

Almost surely, 2557250253 is an apocalyptic number.

It is an amenable number.

557250253 is a deficient number, since it is larger than the sum of its proper divisors (80696819).

557250253 is a wasteful number, since it uses less digits than its factorization.

557250253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136211.

The product of its (nonzero) digits is 52500, while the sum is 34.

The square root of 557250253 is about 23606.1486269997. The cubic root of 557250253 is about 822.9057395858.

The spelling of 557250253 in words is "five hundred fifty-seven million, two hundred fifty thousand, two hundred fifty-three".

Divisors: 1 7 587 4109 135617 949319 79607179 557250253