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27040788 = 2232751133
BaseRepresentation
bin110011100100…
…1110000010100
31212212210222200
41213021300110
523410301123
62403324500
7445562055
oct147116024
955783880
1027040788
111429a165
129080730
1357aa088
14383c72c
152592143
hex19c9c14

27040788 has 18 divisors (see below), whose sum is σ = 68353194. Its totient is φ = 9013584.

The previous prime is 27040763. The next prime is 27040799. The reversal of 27040788 is 88704072.

It can be written as a sum of positive squares in only one way, i.e., 20629764 + 6411024 = 4542^2 + 2532^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 751133 = 27040788 / (2 + 7 + 0 + 4 + 0 + 7 + 8 + 8).

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 5 ways as a sum of consecutive naturals, for example, 375531 + ... + 375602.

Almost surely, 227040788 is an apocalyptic number.

It is an amenable number.

27040788 is an abundant number, since it is smaller than the sum of its proper divisors (41312406).

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

27040788 is a wasteful number, since it uses less digits than its factorization.

27040788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751143 (or 751138 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 27040788 is about 5200.0757686788. The cubic root of 27040788 is about 300.1509906600.

The spelling of 27040788 in words is "twenty-seven million, forty thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 751133 1502266 2253399 3004532 4506798 6760197 9013596 13520394 27040788