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545306853 = 371317911159
BaseRepresentation
bin100000100000001…
…011100011100101
31102000002110101010
4200200023203211
52104044304403
6130035452433
716341013620
oct4040134345
91360073333
10545306853
1125a8a2123
12132757119
1388c892a0
14525cadb7
1532d17603
hex2080b8e5

545306853 has 32 divisors (see below), whose sum is σ = 899942400. Its totient is φ = 286001856.

The previous prime is 545306849. The next prime is 545306857. The reversal of 545306853 is 358603545.

It is an interprime number because it is at equal distance from previous prime (545306849) and next prime (545306857).

It is not a de Polignac number, because 545306853 - 22 = 545306849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545306857) 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 31 ways as a sum of consecutive naturals, for example, 43288 + ... + 54446.

It is an arithmetic number, because the mean of its divisors is an integer number (28123200).

Almost surely, 2545306853 is an apocalyptic number.

It is an amenable number.

545306853 is a deficient number, since it is larger than the sum of its proper divisors (354635547).

545306853 is a wasteful number, since it uses less digits than its factorization.

545306853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11361.

The product of its (nonzero) digits is 216000, while the sum is 39.

The square root of 545306853 is about 23351.8062042318. The cubic root of 545306853 is about 816.9841891963.

The spelling of 545306853 in words is "five hundred forty-five million, three hundred six thousand, eight hundred fifty-three".

Divisors: 1 3 7 13 21 39 91 179 273 537 1253 2327 3759 6981 11159 16289 33477 48867 78113 145067 234339 435201 1015469 1997461 3046407 5992383 13982227 25966993 41946681 77900979 181768951 545306853