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27070943 = 64342101
BaseRepresentation
bin110011101000…
…1000111011111
31212221100100112
41213101013133
523412232233
62404120235
7446046014
oct147210737
955840315
1027070943
111430a889
12909607b
1357baa13
14384970b
15259b048
hex19d11df

27070943 has 4 divisors (see below), whose sum is σ = 27113688. Its totient is φ = 27028200.

The previous prime is 27070937. The next prime is 27070961. The reversal of 27070943 is 34907072.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27070943 - 218 = 26808799 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27070963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20408 + ... + 21693.

It is an arithmetic number, because the mean of its divisors is an integer number (6778422).

Almost surely, 227070943 is an apocalyptic number.

27070943 is a deficient number, since it is larger than the sum of its proper divisors (42745).

27070943 is an equidigital number, since it uses as much as digits as its factorization.

27070943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42744.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 27070943 is about 5202.9744377615. The cubic root of 27070943 is about 300.2625220587.

The spelling of 27070943 in words is "twenty-seven million, seventy thousand, nine hundred forty-three".

Divisors: 1 643 42101 27070943