Search a number
-
+
5432545 = 51086509
BaseRepresentation
bin10100101110010011100001
3101020000001101
4110232103201
52342320140
6312234401
764114216
oct24562341
911200041
105432545
113080608
12199ba01
131182931
14a15b0d
1572499a
hex52e4e1

5432545 has 4 divisors (see below), whose sum is σ = 6519060. Its totient is φ = 4346032.

The previous prime is 5432521. The next prime is 5432549. The reversal of 5432545 is 5452345.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5452345 = 51090469.

It can be written as a sum of positive squares in 2 ways, for example, as 3381921 + 2050624 = 1839^2 + 1432^2 .

It is a cyclic number.

It is not a de Polignac number, because 5432545 - 27 = 5432417 is a prime.

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

5432545 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5432549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543250 + ... + 543259.

It is an arithmetic number, because the mean of its divisors is an integer number (1629765).

Almost surely, 25432545 is an apocalyptic number.

It is an amenable number.

5432545 is a deficient number, since it is larger than the sum of its proper divisors (1086515).

5432545 is a wasteful number, since it uses less digits than its factorization.

5432545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086514.

The product of its digits is 12000, while the sum is 28.

The square root of 5432545 is about 2330.7820575935. The cubic root of 5432545 is about 175.7928110289.

The spelling of 5432545 in words is "five million, four hundred thirty-two thousand, five hundred forty-five".

Divisors: 1 5 1086509 5432545