Search a number
4526728 = 233741373
BaseRepresentation
bin10001010001001010001000
322111222111121
4101101022020
52124323403
6241005024
753322313
oct21211210
98458447
104526728
112611aa8
121623774
13c2654b
1485b97a
155e63bd
hex451288

4526728 has 32 divisors (see below), whose sum is σ = 8953560. Its totient is φ = 2142720.

The previous prime is 4526723. The next prime is 4526729. The reversal of 4526728 is 8276254.

It can be written as a sum of positive squares in 4 ways, for example, as 3755844 + 770884 = 1938^2 + 878^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4526693 and 4526702.

It is not an unprimeable number, because it can be changed into a prime (4526723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11950 + ... + 12322.

Almost surely, 24526728 is an apocalyptic number.

It is an amenable number.

4526728 is a deficient number, since it is larger than the sum of its proper divisors (4426832).

4526728 is a wasteful number, since it uses less digits than its factorization.

4526728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 453 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 4526728 is about 2127.6108666765. The cubic root of 4526728 is about 165.4225837637.

The spelling of 4526728 in words is "four million, five hundred twenty-six thousand, seven hundred twenty-eight".