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545454477 = 32193314021
BaseRepresentation
bin100000100000101…
…111100110001101
31102000100221212200
4200200233212031
52104114020402
6130042552113
716342200201
oct4040574615
91360327780
10545454477
1125a993027
12132808639
138900b539
1452628b01
1532d4621c
hex2082f98d

545454477 has 12 divisors (see below), whose sum is σ = 791963484. Its totient is φ = 361751040.

The previous prime is 545454461. The next prime is 545454479. The reversal of 545454477 is 774454545.

545454477 is a `hidden beast` number, since 54 + 54 + 544 + 7 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 184036356 + 361418121 = 13566^2 + 19011^2 .

It is not a de Polignac number, because 545454477 - 24 = 545454461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545454479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155274 + ... + 158747.

It is an arithmetic number, because the mean of its divisors is an integer number (65996957).

Almost surely, 2545454477 is an apocalyptic number.

It is an amenable number.

545454477 is a deficient number, since it is larger than the sum of its proper divisors (246509007).

545454477 is a wasteful number, since it uses less digits than its factorization.

545454477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314220 (or 314217 counting only the distinct ones).

The product of its digits is 1568000, while the sum is 45.

The square root of 545454477 is about 23354.9668593214. The cubic root of 545454477 is about 817.0579064630.

The spelling of 545454477 in words is "five hundred forty-five million, four hundred fifty-four thousand, four hundred seventy-seven".

Divisors: 1 3 9 193 579 1737 314021 942063 2826189 60606053 181818159 545454477