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3204387 = 33118681
BaseRepresentation
bin1100001110010100100011
320000210121000
430032110203
51310020022
6152403043
736144144
oct14162443
96023530
103204387
11189955a
1210a6483
138826b4
145d5acb
154346ac
hex30e523

3204387 has 8 divisors (see below), whose sum is σ = 4747280. Its totient is φ = 2136240.

The previous prime is 3204373. The next prime is 3204389. The reversal of 3204387 is 7834023.

It is not a de Polignac number, because 3204387 - 27 = 3204259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 118681 = 3204387 / (3 + 2 + 0 + 4 + 3 + 8 + 7).

It is a d-powerful number, because it can be written as 34 + 219 + 0 + 49 + 313 + 8 + 77 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3204387.

It is not an unprimeable number, because it can be changed into a prime (3204389) 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, 59314 + ... + 59367.

It is an arithmetic number, because the mean of its divisors is an integer number (593410).

Almost surely, 23204387 is an apocalyptic number.

3204387 is a deficient number, since it is larger than the sum of its proper divisors (1542893).

3204387 is a wasteful number, since it uses less digits than its factorization.

3204387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118690 (or 118684 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 3204387 is about 1790.0801658026. The cubic root of 3204387 is about 147.4285702214.

The spelling of 3204387 in words is "three million, two hundred four thousand, three hundred eighty-seven".

Divisors: 1 3 9 27 118681 356043 1068129 3204387