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27340980 = 2235455683
BaseRepresentation
bin110100001001…
…1000010110100
31220110001202220
41220103002310
523444402410
62414002340
7451252212
oct150230264
956401686
1027340980
1114484757
1291a63b0
1358838c4
1438b9cb2
152601070
hex1a130b4

27340980 has 24 divisors (see below), whose sum is σ = 76554912. Its totient is φ = 7290912.

The previous prime is 27340949. The next prime is 27340987. The reversal of 27340980 is 8904372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27340987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227782 + ... + 227901.

It is an arithmetic number, because the mean of its divisors is an integer number (3189788).

Almost surely, 227340980 is an apocalyptic number.

27340980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27340980 is an abundant number, since it is smaller than the sum of its proper divisors (49213932).

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

27340980 is a wasteful number, since it uses less digits than its factorization.

27340980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455695 (or 455693 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 27340980 is about 5228.8602964700. The cubic root of 27340980 is about 301.2576095826.

The spelling of 27340980 in words is "twenty-seven million, three hundred forty thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 455683 911366 1367049 1822732 2278415 2734098 4556830 5468196 6835245 9113660 13670490 27340980