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27074605 = 57374177
BaseRepresentation
bin110011101001…
…0000000101101
31212221112101011
41213102000231
523412341410
62404145221
7446062465
oct147220055
955845334
1027074605
1114312608
129098211
1357bc59c
14384aba5
15259c18a
hex19d202d

27074605 has 8 divisors (see below), whose sum is σ = 32935032. Its totient is φ = 21362688.

The previous prime is 27074587. The next prime is 27074609. The reversal of 27074605 is 50647072.

It can be written as a sum of positive squares in 4 ways, for example, as 2184484 + 24890121 = 1478^2 + 4989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-27074605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27074609) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 36724 + ... + 37453.

It is an arithmetic number, because the mean of its divisors is an integer number (4116879).

Almost surely, 227074605 is an apocalyptic number.

It is an amenable number.

27074605 is a deficient number, since it is larger than the sum of its proper divisors (5860427).

27074605 is an equidigital number, since it uses as much as digits as its factorization.

27074605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74255.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 27074605 is about 5203.3263399483. The cubic root of 27074605 is about 300.2760607052.

The spelling of 27074605 in words is "twenty-seven million, seventy-four thousand, six hundred five".

Divisors: 1 5 73 365 74177 370885 5414921 27074605