Search a number
-
+
27347040 = 2532572713
BaseRepresentation
bin110100001010…
…0100001100000
31220110101002100
41220110201200
524000101130
62414050400
7451305660
oct150244140
956411070
1027347040
1114489266
1291a9a00
1358865a6
1438bc1a0
152602c60
hex1a14860

27347040 has 144 divisors (see below), whose sum is σ = 106692768. Its totient is φ = 6248448.

The previous prime is 27347027. The next prime is 27347051. The reversal of 27347040 is 4074372.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 27346995 and 27347013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8724 + ... + 11436.

It is an arithmetic number, because the mean of its divisors is an integer number (740922).

Almost surely, 227347040 is an apocalyptic number.

27347040 is a gapful number since it is divisible by the number (20) 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 27347040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53346384).

27347040 is an abundant number, since it is smaller than the sum of its proper divisors (79345728).

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

27347040 is a wasteful number, since it uses less digits than its factorization.

27347040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741 (or 2730 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 27347040 is about 5229.4397405458. The cubic root of 27347040 is about 301.2798653839.

The spelling of 27347040 in words is "twenty-seven million, three hundred forty-seven thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 70 72 80 84 90 96 105 112 120 126 140 144 160 168 180 210 224 240 252 280 288 315 336 360 420 480 504 560 630 672 720 840 1008 1120 1260 1440 1680 2016 2520 2713 3360 5040 5426 8139 10080 10852 13565 16278 18991 21704 24417 27130 32556 37982 40695 43408 48834 54260 56973 65112 75964 81390 86816 94955 97668 108520 113946 122085 130224 151928 162780 170919 189910 195336 217040 227892 244170 260448 284865 303856 325560 341838 379820 390672 434080 455784 488340 569730 607712 651120 683676 759640 781344 854595 911568 976680 1139460 1302240 1367352 1519280 1709190 1823136 1953360 2278920 2734704 3038560 3418380 3906720 4557840 5469408 6836760 9115680 13673520 27347040