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11427740 = 22517192961
BaseRepresentation
bin101011100101…
…111110011100
3210111120220122
4223211332130
510411141430
61044534112
7166064012
oct53457634
923446818
1011427740
1164a5915
1239b1338
1324a169c
1417368b2
15100aee5
hexae5f9c

11427740 has 96 divisors (see below), whose sum is σ = 28123200. Its totient is φ = 3870720.

The previous prime is 11427739. The next prime is 11427743. The reversal of 11427740 is 4772411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11427743) 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, 187310 + ... + 187370.

It is an arithmetic number, because the mean of its divisors is an integer number (292950).

Almost surely, 211427740 is an apocalyptic number.

11427740 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 11427740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14061600).

11427740 is an abundant number, since it is smaller than the sum of its proper divisors (16695460).

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

11427740 is a wasteful number, since it uses less digits than its factorization.

11427740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 11427740 is about 3380.4940467334. The cubic root of 11427740 is about 225.2441136540.

It can be divided in two parts, 11427 and 740, that added together give a cube (12167 = 233).

The spelling of 11427740 in words is "eleven million, four hundred twenty-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 17 19 20 29 34 38 58 61 68 76 85 95 116 122 145 170 190 244 290 305 323 340 380 493 551 580 610 646 986 1037 1102 1159 1220 1292 1615 1769 1972 2074 2204 2318 2465 2755 3230 3538 4148 4636 4930 5185 5510 5795 6460 7076 8845 9367 9860 10370 11020 11590 17690 18734 19703 20740 23180 30073 33611 35380 37468 39406 46835 60146 67222 78812 93670 98515 120292 134444 150365 168055 187340 197030 300730 336110 394060 571387 601460 672220 1142774 2285548 2856935 5713870 11427740