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575478047 = 796372269
BaseRepresentation
bin100010010011010…
…001100100011111
31111002212022110202
4202103101210133
52134310244142
6133034254115
720155324364
oct4223214437
91432768422
10575478047
1127592a1a1
1214088733b
13922c1171
145660246b
15357c7032
hex224d191f

575478047 has 4 divisors (see below), whose sum is σ = 575558280. Its totient is φ = 575397816.

The previous prime is 575478041. The next prime is 575478083. The reversal of 575478047 is 740874575.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 575478047 - 24 = 575478031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 575477992 and 575478010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575478041) 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, 28172 + ... + 44097.

It is an arithmetic number, because the mean of its divisors is an integer number (143889570).

Almost surely, 2575478047 is an apocalyptic number.

575478047 is a deficient number, since it is larger than the sum of its proper divisors (80233).

575478047 is an equidigital number, since it uses as much as digits as its factorization.

575478047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80232.

The product of its (nonzero) digits is 1097600, while the sum is 47.

The square root of 575478047 is about 23989.1235146264. The cubic root of 575478047 is about 831.7821324381.

The spelling of 575478047 in words is "five hundred seventy-five million, four hundred seventy-eight thousand, forty-seven".

Divisors: 1 7963 72269 575478047