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545654543 = 7211135807
BaseRepresentation
bin100000100001100…
…000011100001111
31102000202010022112
4200201200130033
52104141421133
6130051134235
716343662400
oct4041403417
91360663275
10545654543
1126000a375
121328a437b
138907b615
145267b9a7
1532d85648
hex2086070f

545654543 has 6 divisors (see below), whose sum is σ = 634741056. Its totient is φ = 467703852.

The previous prime is 545654531. The next prime is 545654581. The reversal of 545654543 is 345456545.

It is a happy number.

545654543 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a de Polignac number, because none of the positive numbers 2k-545654543 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545654543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545654143) 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 5 ways as a sum of consecutive naturals, for example, 5567855 + ... + 5567952.

It is an arithmetic number, because the mean of its divisors is an integer number (105790176).

Almost surely, 2545654543 is an apocalyptic number.

545654543 is a deficient number, since it is larger than the sum of its proper divisors (89086513).

545654543 is a wasteful number, since it uses less digits than its factorization.

545654543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11135821 (or 11135814 counting only the distinct ones).

The product of its digits is 720000, while the sum is 41.

The square root of 545654543 is about 23359.2496240783. The cubic root of 545654543 is about 817.1577898522.

The spelling of 545654543 in words is "five hundred forty-five million, six hundred fifty-four thousand, five hundred forty-three".

Divisors: 1 7 49 11135807 77950649 545654543