Search a number
-
+
27081461 = 112461951
BaseRepresentation
bin110011101001…
…1101011110101
31212221212210002
41213103223311
523413101321
62404241045
7446121461
oct147235365
955855702
1027081461
1114317780
1290a0185
1357c2744
14384d4a1
15259e20b
hex19d3af5

27081461 has 4 divisors (see below), whose sum is σ = 29543424. Its totient is φ = 24619500.

The previous prime is 27081451. The next prime is 27081469. The reversal of 27081461 is 16418072.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27081461 - 210 = 27080437 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 (27081469) 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, 1230965 + ... + 1230986.

It is an arithmetic number, because the mean of its divisors is an integer number (7385856).

Almost surely, 227081461 is an apocalyptic number.

It is an amenable number.

27081461 is a deficient number, since it is larger than the sum of its proper divisors (2461963).

27081461 is a wasteful number, since it uses less digits than its factorization.

27081461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461962.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 27081461 is about 5203.9851075882. The cubic root of 27081461 is about 300.3014044904.

The spelling of 27081461 in words is "twenty-seven million, eighty-one thousand, four hundred sixty-one".

Divisors: 1 11 2461951 27081461