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5436545 = 51087309
BaseRepresentation
bin10100101111010010000001
3101020012112112
4110233102001
52342432140
6312305105
764131662
oct24572201
911205475
105436545
113083614
1219a2195
1311846ba
14a17369
15725c65
hex52f481

5436545 has 4 divisors (see below), whose sum is σ = 6523860. Its totient is φ = 4349232.

The previous prime is 5436511. The next prime is 5436547. The reversal of 5436545 is 5456345.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5456345 = 51091269.

It can be written as a sum of positive squares in 2 ways, for example, as 2999824 + 2436721 = 1732^2 + 1561^2 .

It is a cyclic number.

It is not a de Polignac number, because 5436545 - 28 = 5436289 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5436547) 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, 543650 + ... + 543659.

It is an arithmetic number, because the mean of its divisors is an integer number (1630965).

Almost surely, 25436545 is an apocalyptic number.

It is an amenable number.

5436545 is a deficient number, since it is larger than the sum of its proper divisors (1087315).

5436545 is a wasteful number, since it uses less digits than its factorization.

5436545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087314.

The product of its digits is 36000, while the sum is 32.

The square root of 5436545 is about 2331.6399807861. The cubic root of 5436545 is about 175.8359460440.

The spelling of 5436545 in words is "five million, four hundred thirty-six thousand, five hundred forty-five".

Divisors: 1 5 1087309 5436545