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27008971 = 1117971489
BaseRepresentation
bin110011100000…
…1111111001011
31212211012100021
41213001333023
523403241341
62402521311
7445400233
oct147017713
955735307
1027008971
1114278270
129066237
135798752
143830cc3
1525879d1
hex19c1fcb

27008971 has 16 divisors (see below), whose sum is σ = 31540320. Its totient is φ = 22855680.

The previous prime is 27008957. The next prime is 27008977. The reversal of 27008971 is 17980072.

It is a cyclic number.

It is not a de Polignac number, because 27008971 - 29 = 27008459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27008977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17395 + ... + 18883.

It is an arithmetic number, because the mean of its divisors is an integer number (1971270).

Almost surely, 227008971 is an apocalyptic number.

27008971 is a deficient number, since it is larger than the sum of its proper divisors (4531349).

27008971 is a wasteful number, since it uses less digits than its factorization.

27008971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1614.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 27008971 is about 5197.0155858916. The cubic root of 27008971 is about 300.0332222467.

The spelling of 27008971 in words is "twenty-seven million, eight thousand, nine hundred seventy-one".

Divisors: 1 11 17 97 187 1067 1489 1649 16379 18139 25313 144433 278443 1588763 2455361 27008971