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27445061 = 75577039
BaseRepresentation
bin110100010110…
…0011101000101
31220122100112202
41220230131011
524011220221
62420124245
7452164520
oct150543505
956570482
1027445061
1114545976
129236685
1358bc0a7
143905bb7
152621d0b
hex1a2c745

27445061 has 8 divisors (see below), whose sum is σ = 31426560. Its totient is φ = 23478768.

The previous prime is 27445037. The next prime is 27445079. The reversal of 27445061 is 16054472.

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-27445061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27445661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380 + ... + 7418.

It is an arithmetic number, because the mean of its divisors is an integer number (3928320).

Almost surely, 227445061 is an apocalyptic number.

It is an amenable number.

27445061 is a deficient number, since it is larger than the sum of its proper divisors (3981499).

27445061 is an equidigital number, since it uses as much as digits as its factorization.

27445061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7603.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 27445061 is about 5238.8033939059. The cubic root of 27445061 is about 301.6393989917.

The spelling of 27445061 in words is "twenty-seven million, four hundred forty-five thousand, sixty-one".

Divisors: 1 7 557 3899 7039 49273 3920723 27445061