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575245897 = 1289446273
BaseRepresentation
bin100010010010011…
…000111001001001
31111002102112000121
4202102120321021
52134230332042
6133025303241
720153336512
oct4222307111
91432375017
10575245897
11275790836
12140794b21
139223c5b5
1456581a09
153577d367
hex22498e49

575245897 has 4 divisors (see below), whose sum is σ = 575693460. Its totient is φ = 574798336.

The previous prime is 575245871. The next prime is 575245901. The reversal of 575245897 is 798542575.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 544008976 + 31236921 = 23324^2 + 5589^2 .

It is a cyclic number.

It is not a de Polignac number, because 575245897 - 211 = 575243849 is a prime.

It is a super-3 number, since 3×5752458973 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (575245807) 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, 221848 + ... + 224425.

It is an arithmetic number, because the mean of its divisors is an integer number (143923365).

Almost surely, 2575245897 is an apocalyptic number.

It is an amenable number.

575245897 is a deficient number, since it is larger than the sum of its proper divisors (447563).

575245897 is a wasteful number, since it uses less digits than its factorization.

575245897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447562.

The product of its digits is 3528000, while the sum is 52.

The square root of 575245897 is about 23984.2843753988. The cubic root of 575245897 is about 831.6702693854.

The spelling of 575245897 in words is "five hundred seventy-five million, two hundred forty-five thousand, eight hundred ninety-seven".

Divisors: 1 1289 446273 575245897