Search a number
-
+
1369044 = 2232172237
BaseRepresentation
bin101001110001111010100
32120112222100
411032033110
5322302134
645202100
714431245
oct5161724
92515870
101369044
11855646
12560330
1338c1b1
14278ccc
151c0999
hex14e3d4

1369044 has 36 divisors (see below), whose sum is σ = 3665844. Its totient is φ = 429312.

The previous prime is 1369033. The next prime is 1369051. The reversal of 1369044 is 4409631.

It can be written as a sum of positive squares in 2 ways, for example, as 1077444 + 291600 = 1038^2 + 540^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 1368999 and 1369017.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 507 + ... + 1730.

It is an arithmetic number, because the mean of its divisors is an integer number (101829).

21369044 is an apocalyptic number.

It is an amenable number.

1369044 is an abundant number, since it is smaller than the sum of its proper divisors (2296800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1369044 is a wasteful number, since it uses less digits than its factorization.

1369044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264 (or 2259 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1369044 is about 1170.0615368433. The cubic root of 1369044 is about 111.0382142590.

It can be divided in two parts, 136 and 9044, that added together give a triangular number (9180 = T135).

The spelling of 1369044 in words is "one million, three hundred sixty-nine thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 2237 4474 6711 8948 13422 20133 26844 38029 40266 76058 80532 114087 152116 228174 342261 456348 684522 1369044