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27319340 = 22517194229
BaseRepresentation
bin110100000110…
…1110000101100
31220101222002102
41220031300230
523443204330
62413314232
7451132136
oct150156054
956358072
1027319340
111446a474
129195978
135876ab9
1438b2056
1525e9945
hex1a0dc2c

27319340 has 48 divisors (see below), whose sum is σ = 63957600. Its totient is φ = 9741312.

The previous prime is 27319333. The next prime is 27319379. The reversal of 27319340 is 4391372.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4346 + ... + 8574.

It is an arithmetic number, because the mean of its divisors is an integer number (1332450).

Almost surely, 227319340 is an apocalyptic number.

27319340 is a gapful number since it is divisible by the number (20) 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 27319340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31978800).

27319340 is an abundant number, since it is smaller than the sum of its proper divisors (36638260).

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

27319340 is a wasteful number, since it uses less digits than its factorization.

27319340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4274 (or 4272 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 27319340 is about 5226.7906022721. The cubic root of 27319340 is about 301.1781082214.

The spelling of 27319340 in words is "twenty-seven million, three hundred nineteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 17 19 20 34 38 68 76 85 95 170 190 323 340 380 646 1292 1615 3230 4229 6460 8458 16916 21145 42290 71893 80351 84580 143786 160702 287572 321404 359465 401755 718930 803510 1365967 1437860 1607020 2731934 5463868 6829835 13659670 27319340