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27112140 = 223251113693
BaseRepresentation
bin110011101101…
…1001011001100
31220000102212100
41213123023030
523420042030
62405035100
7446310066
oct147331314
956012770
1027112140
1114338830
1290b5a90
1358036b3
14385a736
1525a8360
hex19db2cc

27112140 has 72 divisors (see below), whose sum is σ = 89723088. Its totient is φ = 6572160.

The previous prime is 27112139. The next prime is 27112181. The reversal of 27112140 is 4121172.

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

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, 4867 + ... + 8826.

It is an arithmetic number, because the mean of its divisors is an integer number (1246154).

Almost surely, 227112140 is an apocalyptic number.

27112140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27112140 is an abundant number, since it is smaller than the sum of its proper divisors (62610948).

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

27112140 is a wasteful number, since it uses less digits than its factorization.

27112140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13719 (or 13714 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 27112140 is about 5206.9319181261. The cubic root of 27112140 is about 300.4147596505.

It can be divided in two parts, 2711 and 2140, that added together give a triangular number (4851 = T98).

The spelling of 27112140 in words is "twenty-seven million, one hundred twelve thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 13693 27386 41079 54772 68465 82158 123237 136930 150623 164316 205395 246474 273860 301246 410790 451869 492948 602492 616185 753115 821580 903738 1232370 1355607 1506230 1807476 2259345 2464740 2711214 3012460 4518690 5422428 6778035 9037380 13556070 27112140