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1319404 = 221719403
BaseRepresentation
bin101000010000111101100
32111000212211
411002013230
5314210104
644140204
714133442
oct5020754
92430784
101319404
11821319
12537664
13372718
14264b92
151b0e04
hex1421ec

1319404 has 12 divisors (see below), whose sum is σ = 2444904. Its totient is φ = 620864.

The previous prime is 1319401. The next prime is 1319407. The reversal of 1319404 is 4049131.

It is an interprime number because it is at equal distance from previous prime (1319401) and next prime (1319407).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1319401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9634 + ... + 9769.

It is an arithmetic number, because the mean of its divisors is an integer number (203742).

21319404 is an apocalyptic number.

It is an amenable number.

1319404 is a deficient number, since it is larger than the sum of its proper divisors (1125500).

1319404 is a wasteful number, since it uses less digits than its factorization.

1319404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19424 (or 19422 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1319404 is about 1148.6531243156. The cubic root of 1319404 is about 109.6796187415.

It can be divided in two parts, 13 and 19404, that multiplied together give a palindrome (252252).

The spelling of 1319404 in words is "one million, three hundred nineteen thousand, four hundred four".

Divisors: 1 2 4 17 34 68 19403 38806 77612 329851 659702 1319404