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5432534221 = 7374418277
BaseRepresentation
bin1010000111100110…
…11110010011001101
3112000121021022222011
411003303132103031
542111212043341
62255022021221
7251423531122
oct50363362315
915017238864
105432534221
112338584404
121077417811
136876517ba
143976d4749
1521bde4b81
hex143cde4cd

5432534221 has 4 divisors (see below), whose sum is σ = 5506952572. Its totient is φ = 5358115872.

The previous prime is 5432534201. The next prime is 5432534227. The reversal of 5432534221 is 1224352345.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1224352345 = 5244870469.

It can be written as a sum of positive squares in 2 ways, for example, as 4140922500 + 1291611721 = 64350^2 + 35939^2 .

It is a cyclic number.

It is not a de Polignac number, because 5432534221 - 29 = 5432533709 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 (5432534227) 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, 37209066 + ... + 37209211.

It is an arithmetic number, because the mean of its divisors is an integer number (1376738143).

Almost surely, 25432534221 is an apocalyptic number.

It is an amenable number.

5432534221 is a deficient number, since it is larger than the sum of its proper divisors (74418351).

5432534221 is an equidigital number, since it uses as much as digits as its factorization.

5432534221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74418350.

The product of its digits is 28800, while the sum is 31.

The square root of 5432534221 is about 73705.7271926680. The cubic root of 5432534221 is about 1757.9269476224.

Adding to 5432534221 its reverse (1224352345), we get a palindrome (6656886566).

The spelling of 5432534221 in words is "five billion, four hundred thirty-two million, five hundred thirty-four thousand, two hundred twenty-one".

Divisors: 1 73 74418277 5432534221