Search a number
-
+
27041920 = 275293147
BaseRepresentation
bin110011100101…
…0000010000000
31212212212112121
41213022002000
523410320140
62403334024
7445565263
oct147120200
955785477
1027041920
111429aaa4
129081314
1357aa749
14383ccda
15259264a
hex19ca080

27041920 has 128 divisors (see below), whose sum is σ = 70502400. Its totient is φ = 9891840.

The previous prime is 27041909. The next prime is 27041933. The reversal of 27041920 is 2914072.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 575337 + ... + 575383.

It is an arithmetic number, because the mean of its divisors is an integer number (550800).

Almost surely, 227041920 is an apocalyptic number.

27041920 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 27041920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35251200).

27041920 is an abundant number, since it is smaller than the sum of its proper divisors (43460480).

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

27041920 is a wasteful number, since it uses less digits than its factorization.

27041920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 27041920 is about 5200.1846121075. The cubic root of 27041920 is about 300.1551789770.

Adding to 27041920 its reverse (2914072), we get a palindrome (29955992).

It can be divided in two parts, 2704 and 1920, that added together give a square (4624 = 682).

The spelling of 27041920 in words is "twenty-seven million, forty-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 29 31 32 40 47 58 62 64 80 94 116 124 128 145 155 160 188 232 235 248 290 310 320 376 464 470 496 580 620 640 752 899 928 940 992 1160 1240 1363 1457 1504 1798 1856 1880 1984 2320 2480 2726 2914 3008 3596 3712 3760 3968 4495 4640 4960 5452 5828 6016 6815 7192 7285 7520 8990 9280 9920 10904 11656 13630 14384 14570 15040 17980 18560 19840 21808 23312 27260 28768 29140 30080 35960 42253 43616 46624 54520 57536 58280 71920 84506 87232 93248 109040 115072 116560 143840 169012 174464 186496 211265 218080 233120 287680 338024 422530 436160 466240 575360 676048 845060 872320 932480 1352096 1690120 2704192 3380240 5408384 6760480 13520960 27041920