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545584071 = 3181861357
BaseRepresentation
bin100000100001001…
…111001111000111
31102000121112122110
4200201033033013
52104132142241
6130045432103
716343250054
oct4041171707
91360545573
10545584071
1125aa7142a
1213286b633
1389055516
145266002b
1532d6e816
hex2084f3c7

545584071 has 4 divisors (see below), whose sum is σ = 727445432. Its totient is φ = 363722712.

The previous prime is 545584021. The next prime is 545584073. The reversal of 545584071 is 170485545.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 545584071 - 210 = 545583047 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 (545584073) 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, 90930676 + ... + 90930681.

It is an arithmetic number, because the mean of its divisors is an integer number (181861358).

Almost surely, 2545584071 is an apocalyptic number.

545584071 is a deficient number, since it is larger than the sum of its proper divisors (181861361).

545584071 is a wasteful number, since it uses less digits than its factorization.

545584071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181861360.

The product of its (nonzero) digits is 112000, while the sum is 39.

The square root of 545584071 is about 23357.7411365055. The cubic root of 545584071 is about 817.1226093375.

The spelling of 545584071 in words is "five hundred forty-five million, five hundred eighty-four thousand, seventy-one".

Divisors: 1 3 181861357 545584071