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4885409 = 171931489
BaseRepresentation
bin10010101000101110100001
3100012012112002
4102220232201
52222313114
6252413345
756345114
oct22505641
910165462
104885409
112837531
121777255
131020899
1491257b
156677de
hex4a8ba1

4885409 has 8 divisors (see below), whose sum is σ = 5203080. Its totient is φ = 4571136.

The previous prime is 4885373. The next prime is 4885411. The reversal of 4885409 is 9045884.

It can be written as a sum of positive squares in 4 ways, for example, as 305809 + 4579600 = 553^2 + 2140^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4885409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (4885469) 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, 2537 + ... + 4025.

It is an arithmetic number, because the mean of its divisors is an integer number (650385).

Almost surely, 24885409 is an apocalyptic number.

It is an amenable number.

4885409 is a deficient number, since it is larger than the sum of its proper divisors (317671).

4885409 is a wasteful number, since it uses less digits than its factorization.

4885409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 4885409 is about 2210.2961340056. The cubic root of 4885409 is about 169.6811671126.

The spelling of 4885409 in words is "four million, eight hundred eighty-five thousand, four hundred nine".

Divisors: 1 17 193 1489 3281 25313 287377 4885409