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27070481 is a prime number
BaseRepresentation
bin110011101000…
…1000000010001
31212221022201102
41213101000101
523412223411
62404114145
7446044454
oct147210021
955838642
1027070481
111430a4a9
129095955
1357ba749
14384949b
15259ad3b
hex19d1011

27070481 has 2 divisors, whose sum is σ = 27070482. Its totient is φ = 27070480.

The previous prime is 27070457. The next prime is 27070489. The reversal of 27070481 is 18407072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19140625 + 7929856 = 4375^2 + 2816^2 .

It is a cyclic number.

It is not a de Polignac number, because 27070481 - 222 = 22876177 is a prime.

It is a super-2 number, since 2×270704812 = 1465621883142722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27070489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13535240 + 13535241.

It is an arithmetic number, because the mean of its divisors is an integer number (13535241).

Almost surely, 227070481 is an apocalyptic number.

It is an amenable number.

27070481 is a deficient number, since it is larger than the sum of its proper divisors (1).

27070481 is an equidigital number, since it uses as much as digits as its factorization.

27070481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 27070481 is about 5202.9300398910. The cubic root of 27070481 is about 300.2608139287.

The spelling of 27070481 in words is "twenty-seven million, seventy thousand, four hundred eighty-one".