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4570745 = 52573557
BaseRepresentation
bin10001011011111001111001
322121012212212
4101123321321
52132230440
6241544505
753564534
oct21337171
98535785
104570745
112642083
121645135
13c405aa
1486da1b
15604465
hex45be79

4570745 has 8 divisors (see below), whose sum is σ = 5507784. Its totient is φ = 3641344.

The previous prime is 4570729. The next prime is 4570747. The reversal of 4570745 is 5470754.

It can be written as a sum of positive squares in 4 ways, for example, as 822649 + 3748096 = 907^2 + 1936^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4570745 - 24 = 4570729 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4570747) 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, 494 + ... + 3063.

It is an arithmetic number, because the mean of its divisors is an integer number (688473).

Almost surely, 24570745 is an apocalyptic number.

It is an amenable number.

4570745 is a deficient number, since it is larger than the sum of its proper divisors (937039).

4570745 is a wasteful number, since it uses less digits than its factorization.

4570745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 4570745 is about 2137.9300736928. The cubic root of 4570745 is about 165.9570339276.

Subtracting 4570745 from its reverse (5470754), we obtain a palindrome (900009).

The spelling of 4570745 in words is "four million, five hundred seventy thousand, seven hundred forty-five".

Divisors: 1 5 257 1285 3557 17785 914149 4570745