Search a number
-
+
27070743 = 371289083
BaseRepresentation
bin110011101000…
…1000100010111
31212221100002010
41213101010113
523412230433
62404115303
7446045310
oct147210427
955840063
1027070743
111430a717
129095b33
1357ba8bb
143849607
15259ae63
hex19d1117

27070743 has 8 divisors (see below), whose sum is σ = 41250688. Its totient is φ = 15468984.

The previous prime is 27070739. The next prime is 27070751. The reversal of 27070743 is 34707072.

It is a happy number.

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

It is not a de Polignac number, because 27070743 - 22 = 27070739 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27070743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27070723) 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, 644521 + ... + 644562.

It is an arithmetic number, because the mean of its divisors is an integer number (5156336).

Almost surely, 227070743 is an apocalyptic number.

27070743 is a deficient number, since it is larger than the sum of its proper divisors (14179945).

27070743 is a wasteful number, since it uses less digits than its factorization.

27070743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289093.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 27070743 is about 5202.9552179507. The cubic root of 27070743 is about 300.2617826109.

The spelling of 27070743 in words is "twenty-seven million, seventy thousand, seven hundred forty-three".

Divisors: 1 3 7 21 1289083 3867249 9023581 27070743