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27027144 = 23321771311
BaseRepresentation
bin110011100011…
…0011011001000
31212212010021100
41213012123020
523404332034
62403141400
7445504224
oct147063310
955763240
1027027144
111428a991
129074860
1357a3ac1
143837784
15258d099
hex19c66c8

27027144 has 96 divisors (see below), whose sum is σ = 78848640. Its totient is φ = 8332800.

The previous prime is 27027137. The next prime is 27027149. The reversal of 27027144 is 44172072.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27027149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86749 + ... + 87059.

It is an arithmetic number, because the mean of its divisors is an integer number (821340).

Almost surely, 227027144 is an apocalyptic number.

27027144 is a gapful number since it is divisible by the number (24) 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 27027144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39424320).

27027144 is an abundant number, since it is smaller than the sum of its proper divisors (51821496).

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

27027144 is a wasteful number, since it uses less digits than its factorization.

27027144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 404 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 27027144 is about 5198.7636991885. The cubic root of 27027144 is about 300.1004996623.

The spelling of 27027144 in words is "twenty-seven million, twenty-seven thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 34 36 51 68 71 72 102 136 142 153 204 213 284 306 311 408 426 568 612 622 639 852 933 1207 1224 1244 1278 1704 1866 2414 2488 2556 2799 3621 3732 4828 5112 5287 5598 7242 7464 9656 10574 10863 11196 14484 15861 21148 21726 22081 22392 28968 31722 42296 43452 44162 47583 63444 66243 86904 88324 95166 126888 132486 176648 190332 198729 264972 375377 380664 397458 529944 750754 794916 1126131 1501508 1589832 2252262 3003016 3378393 4504524 6756786 9009048 13513572 27027144