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4750645 = 52573697
BaseRepresentation
bin10010000111110100110101
322221100122211
4102013310311
52204010040
6245453421
755244164
oct22076465
98840584
104750645
112755259
121711271
13ca4443
148b93db
1563c8ea
hex487d35

4750645 has 8 divisors (see below), whose sum is σ = 5724504. Its totient is φ = 3784704.

The previous prime is 4750643. The next prime is 4750651. The reversal of 4750645 is 5460574.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 758641 + 3992004 = 871^2 + 1998^2 .

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 4750645 - 21 = 4750643 is a prime.

It is a Duffinian number.

4750645 is a lucky number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4750643) 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, 564 + ... + 3133.

It is an arithmetic number, because the mean of its divisors is an integer number (715563).

Almost surely, 24750645 is an apocalyptic number.

It is an amenable number.

4750645 is a deficient number, since it is larger than the sum of its proper divisors (973859).

4750645 is a wasteful number, since it uses less digits than its factorization.

4750645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 4750645 is about 2179.5974398957. The cubic root of 4750645 is about 168.1063786768.

The spelling of 4750645 in words is "four million, seven hundred fifty thousand, six hundred forty-five".

Divisors: 1 5 257 1285 3697 18485 950129 4750645