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27212080 = 245748593
BaseRepresentation
bin110011111001…
…1100100110000
31220012111221211
41213303210300
523431241310
62411125504
7450204340
oct147634460
956174854
1027212080
11143a6925
129143894
13583a02c
143884d20
1525c7c8a
hex19f3930

27212080 has 40 divisors (see below), whose sum is σ = 72307872. Its totient is φ = 9329664.

The previous prime is 27212071. The next prime is 27212093. The reversal of 27212080 is 8021272.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23737 + ... + 24856.

Almost surely, 227212080 is an apocalyptic number.

27212080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27212080 is an abundant number, since it is smaller than the sum of its proper divisors (45095792).

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

27212080 is a wasteful number, since it uses less digits than its factorization.

27212080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48613 (or 48607 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 27212080 is about 5216.5199127388. The cubic root of 27212080 is about 300.7834338055.

The spelling of 27212080 in words is "twenty-seven million, two hundred twelve thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 48593 97186 194372 242965 340151 388744 485930 680302 777488 971860 1360604 1700755 1943720 2721208 3401510 3887440 5442416 6803020 13606040 27212080