Search a number
-
+
1144260 = 2233513163
BaseRepresentation
bin100010111010111000100
32011010122000
410113113010
5243104020
640305300
712504015
oct4272704
92133560
101144260
11711777
12472230
13310aa0
1421b00c
15179090
hex1175c4

1144260 has 96 divisors (see below), whose sum is σ = 3857280. Its totient is φ = 279936.

The previous prime is 1144249. The next prime is 1144261. The reversal of 1144260 is 624411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6939 + ... + 7101.

It is an arithmetic number, because the mean of its divisors is an integer number (40180).

21144260 is an apocalyptic number.

1144260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1928640).

1144260 is an abundant number, since it is smaller than the sum of its proper divisors (2713020).

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

1144260 is a wasteful number, since it uses less digits than its factorization.

1144260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1144260 is about 1069.7008927733. The cubic root of 1144260 is about 104.5943532494.

Adding to 1144260 its reverse (624411), we get a palindrome (1768671).

The spelling of 1144260 in words is "one million, one hundred forty-four thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 90 108 117 130 135 156 163 180 195 234 260 270 326 351 390 468 489 540 585 652 702 780 815 978 1170 1404 1467 1630 1755 1956 2119 2340 2445 2934 3260 3510 4238 4401 4890 5868 6357 7020 7335 8476 8802 9780 10595 12714 14670 17604 19071 21190 22005 25428 29340 31785 38142 42380 44010 57213 63570 76284 88020 95355 114426 127140 190710 228852 286065 381420 572130 1144260