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1384004 = 221720353
BaseRepresentation
bin101010001111001000100
32121022111102
411101321010
5323242004
645355232
714522666
oct5217104
92538442
101384004
11865906
12568b18
13395c4b
14280536
151c511e
hex151e44

1384004 has 12 divisors (see below), whose sum is σ = 2564604. Its totient is φ = 651264.

The previous prime is 1383983. The next prime is 1384013. The reversal of 1384004 is 4004831.

It can be written as a sum of positive squares in 2 ways, for example, as 806404 + 577600 = 898^2 + 760^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10109 + ... + 10244.

It is an arithmetic number, because the mean of its divisors is an integer number (213717).

21384004 is an apocalyptic number.

It is an amenable number.

1384004 is a deficient number, since it is larger than the sum of its proper divisors (1180600).

1384004 is a wasteful number, since it uses less digits than its factorization.

1384004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20374 (or 20372 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1384004 is about 1176.4369936380. The cubic root of 1384004 is about 111.4412004721.

Adding to 1384004 its reverse (4004831), we get a palindrome (5388835).

The spelling of 1384004 in words is "one million, three hundred eighty-four thousand, four".

Divisors: 1 2 4 17 34 68 20353 40706 81412 346001 692002 1384004