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545332141 = 5431100411
BaseRepresentation
bin100000100000010…
…001101110101101
31102000010202001201
4200200101232231
52104101112031
6130040205501
716341150424
oct4040215655
91360122051
10545332141
1125a90a122
12132769891
1388c97953
14525d62bb
1532d1ed61
hex20811bad

545332141 has 4 divisors (see below), whose sum is σ = 545437984. Its totient is φ = 545226300.

The previous prime is 545332111. The next prime is 545332147. The reversal of 545332141 is 141233545.

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, and also an emirpimes, since its reverse is a distinct semiprime: 141233545 = 528246709.

It is a cyclic number.

It is not a de Polignac number, because 545332141 - 27 = 545332013 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 (545332147) 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, 44775 + ... + 55636.

It is an arithmetic number, because the mean of its divisors is an integer number (136359496).

Almost surely, 2545332141 is an apocalyptic number.

It is an amenable number.

545332141 is a deficient number, since it is larger than the sum of its proper divisors (105843).

545332141 is a wasteful number, since it uses less digits than its factorization.

545332141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105842.

The product of its digits is 7200, while the sum is 28.

The square root of 545332141 is about 23352.3476550003. The cubic root of 545332141 is about 816.9968179127.

Adding to 545332141 its reverse (141233545), we get a palindrome (686565686).

The spelling of 545332141 in words is "five hundred forty-five million, three hundred thirty-two thousand, one hundred forty-one".

Divisors: 1 5431 100411 545332141