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27889092 = 223271110061
BaseRepresentation
bin110101001100…
…0110111000100
31221110220122100
41222120313010
524114422332
62433432100
7456024210
oct152306704
957426570
1027889092
1114819540
12940b630
135a1622a
1439bd940
1526ad67c
hex1a98dc4

27889092 has 72 divisors (see below), whose sum is σ = 87901632. Its totient is φ = 7243200.

The previous prime is 27889063. The next prime is 27889111. The reversal of 27889092 is 29098872.

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, 2259 + ... + 7802.

It is an arithmetic number, because the mean of its divisors is an integer number (1220856).

Almost surely, 227889092 is an apocalyptic number.

27889092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27889092 is an abundant number, since it is smaller than the sum of its proper divisors (60012540).

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

27889092 is a wasteful number, since it uses less digits than its factorization.

27889092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10089 (or 10084 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 27889092 is about 5281.0124029394. The cubic root of 27889092 is about 303.2574356932.

The spelling of 27889092 in words is "twenty-seven million, eight hundred eighty-nine thousand, ninety-two".

Divisors: 1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 63 66 77 84 99 126 132 154 198 231 252 308 396 462 693 924 1386 2772 10061 20122 30183 40244 60366 70427 90549 110671 120732 140854 181098 211281 221342 281708 332013 362196 422562 442684 633843 664026 774697 845124 996039 1267686 1328052 1549394 1992078 2324091 2535372 3098788 3984156 4648182 6972273 9296364 13944546 27889092