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27049955 = 523415737
BaseRepresentation
bin110011100101…
…1111111100011
31212220021120012
41213023333203
523411044310
62403435135
7445630562
oct147137743
955807505
1027049955
11142a6039
129085aab
1357b12ba
143841bd9
152594c05
hex19cbfe3

27049955 has 16 divisors (see below), whose sum is σ = 34703424. Its totient is φ = 20190720.

The previous prime is 27049951. The next prime is 27049969. The reversal of 27049955 is 55994072.

It is not a de Polignac number, because 27049955 - 22 = 27049951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27049951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1847 + ... + 7583.

It is an arithmetic number, because the mean of its divisors is an integer number (2168964).

Almost surely, 227049955 is an apocalyptic number.

27049955 is a deficient number, since it is larger than the sum of its proper divisors (7653469).

27049955 is a wasteful number, since it uses less digits than its factorization.

27049955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 27049955 is about 5200.9571234533. The cubic root of 27049955 is about 300.1849045295.

The spelling of 27049955 in words is "twenty-seven million, forty-nine thousand, nine hundred fifty-five".

Divisors: 1 5 23 41 115 205 943 4715 5737 28685 131951 235217 659755 1176085 5409991 27049955