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2485409 = 19130811
BaseRepresentation
bin1001011110110010100001
311200021100012
421132302201
51114013114
6125134305
730061043
oct11366241
94607305
102485409
111448363
129ba395
13690374
14489a93
1534163e
hex25eca1

2485409 has 4 divisors (see below), whose sum is σ = 2616240. Its totient is φ = 2354580.

The previous prime is 2485397. The next prime is 2485421. The reversal of 2485409 is 9045842.

2485409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2485397) and next prime (2485421).

It is a cyclic number.

It is not a de Polignac number, because 2485409 - 24 = 2485393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2485429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65387 + ... + 65424.

It is an arithmetic number, because the mean of its divisors is an integer number (654060).

22485409 is an apocalyptic number.

It is an amenable number.

2485409 is a deficient number, since it is larger than the sum of its proper divisors (130831).

2485409 is a wasteful number, since it uses less digits than its factorization.

2485409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130830.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2485409 is about 1576.5179986286. The cubic root of 2485409 is about 135.4563250261.

The spelling of 2485409 in words is "two million, four hundred eighty-five thousand, four hundred nine".

Divisors: 1 19 130811 2485409