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4528390 = 252411879
BaseRepresentation
bin10001010001100100000110
322112001210011
4101101210012
52124402030
6241020434
753330206
oct21214406
98461704
104528390
112613279
12162471a
13c27229
1485c406
155e6b2a
hex451906

4528390 has 16 divisors (see below), whose sum is σ = 8189280. Its totient is φ = 1802880.

The previous prime is 4528369. The next prime is 4528399. The reversal of 4528390 is 938254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4528399) 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, 1471 + ... + 3349.

It is an arithmetic number, because the mean of its divisors is an integer number (511830).

Almost surely, 24528390 is an apocalyptic number.

4528390 is a deficient number, since it is larger than the sum of its proper divisors (3660890).

4528390 is a wasteful number, since it uses less digits than its factorization.

4528390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 4528390 is about 2128.0014097740. The cubic root of 4528390 is about 165.4428263977.

The spelling of 4528390 in words is "four million, five hundred twenty-eight thousand, three hundred ninety".

Divisors: 1 2 5 10 241 482 1205 1879 2410 3758 9395 18790 452839 905678 2264195 4528390