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27996360 = 2335733329
BaseRepresentation
bin110101011001…
…1000011001000
31221200100210020
41222303003020
524131340420
62440020440
7456652020
oct152630310
957610706
1027996360
1114892097
129461720
135a52cc2
143a0aa80
1526d0340
hex1ab30c8

27996360 has 64 divisors (see below), whose sum is σ = 95990400. Its totient is φ = 6398976.

The previous prime is 27996299. The next prime is 27996373. The reversal of 27996360 is 6369972.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 15825 + ... + 17504.

It is an arithmetic number, because the mean of its divisors is an integer number (1499850).

Almost surely, 227996360 is an apocalyptic number.

27996360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27996360 is an abundant number, since it is smaller than the sum of its proper divisors (67994040).

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

27996360 is a wasteful number, since it uses less digits than its factorization.

27996360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33350 (or 33346 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 27996360 is about 5291.1586632797. The cubic root of 27996360 is about 303.6457380651.

The spelling of 27996360 in words is "twenty-seven million, nine hundred ninety-six thousand, three hundred sixty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 33329 66658 99987 133316 166645 199974 233303 266632 333290 399948 466606 499935 666580 699909 799896 933212 999870 1166515 1333160 1399818 1866424 1999740 2333030 2799636 3499545 3999480 4666060 5599272 6999090 9332120 13998180 27996360