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575717493 = 31373202219
BaseRepresentation
bin100010010100001…
…100000001110101
31111010022110221010
4202110030001311
52134340424433
6133043342433
720160342441
oct4224140165
91433273833
10575717493
11275a8308a
12140981a19
1392376150
1456665821
1535822e63
hex2250c075

575717493 has 16 divisors (see below), whose sum is σ = 837999680. Its totient is φ = 349432704.

The previous prime is 575717479. The next prime is 575717501. The reversal of 575717493 is 394717575.

It is not a de Polignac number, because 575717493 - 222 = 571523189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575717413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98263 + ... + 103956.

It is an arithmetic number, because the mean of its divisors is an integer number (52374980).

Almost surely, 2575717493 is an apocalyptic number.

It is an amenable number.

575717493 is a deficient number, since it is larger than the sum of its proper divisors (262282187).

575717493 is a wasteful number, since it uses less digits than its factorization.

575717493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202308.

The product of its digits is 926100, while the sum is 48.

The square root of 575717493 is about 23994.1137156595. The cubic root of 575717493 is about 831.8974796054.

The spelling of 575717493 in words is "five hundred seventy-five million, seven hundred seventeen thousand, four hundred ninety-three".

Divisors: 1 3 13 39 73 219 949 2847 202219 606657 2628847 7886541 14761987 44285961 191905831 575717493