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27130140 = 2234516747
BaseRepresentation
bin110011101111…
…1100100011100
31220001100120000
41213133210130
523421131030
62405254300
7446413422
oct147374434
956040500
1027130140
1114350304
129104390
13580b94b
143863112
1525ad860
hex19df91c

27130140 has 60 divisors (see below), whose sum is σ = 85113336. Its totient is φ = 7234272.

The previous prime is 27130091. The next prime is 27130141. The reversal of 27130140 is 4103172.

It is a tau number, because it is divible by the number of its divisors (60).

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 (27130141) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6754 + ... + 9993.

Almost surely, 227130140 is an apocalyptic number.

27130140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27130140 is an abundant number, since it is smaller than the sum of its proper divisors (57983196).

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

27130140 is a wasteful number, since it uses less digits than its factorization.

27130140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16768 (or 16757 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 27130140 is about 5208.6600964164. The cubic root of 27130140 is about 300.4812276537.

The spelling of 27130140 in words is "twenty-seven million, one hundred thirty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 16747 33494 50241 66988 83735 100482 150723 167470 200964 251205 301446 334940 452169 502410 602892 753615 904338 1004820 1356507 1507230 1808676 2260845 2713014 3014460 4521690 5426028 6782535 9043380 13565070 27130140