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27997084 = 226999271
BaseRepresentation
bin110101011001…
…1001110011100
31221200101210001
41222303032130
524131401314
62440024044
7456654103
oct152631634
957611701
1027997084
1114892695
129462024
135a5342b
143a0b03a
1526d0674
hex1ab339c

27997084 has 6 divisors (see below), whose sum is σ = 48994904. Its totient is φ = 13998540.

The previous prime is 27997069. The next prime is 27997087. The reversal of 27997084 is 48079972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27997087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3499632 + ... + 3499639.

Almost surely, 227997084 is an apocalyptic number.

It is an amenable number.

27997084 is a deficient number, since it is larger than the sum of its proper divisors (20997820).

27997084 is a wasteful number, since it uses less digits than its factorization.

27997084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6999275 (or 6999273 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 27997084 is about 5291.2270788542. The cubic root of 27997084 is about 303.6483555199.

The spelling of 27997084 in words is "twenty-seven million, nine hundred ninety-seven thousand, eighty-four".

Divisors: 1 2 4 6999271 13998542 27997084