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53113545 = 3251816521
BaseRepresentation
bin1100101010011…
…1001011001001
310200221110002100
43022213023021
5102044113140
65134224013
71213312662
oct312471311
9120843070
1053113545
1127a87aa1
1215955009
13b008644
1470a8369
1549e2530
hex32a72c9

53113545 has 24 divisors (see below), whose sum is σ = 92586312. Its totient is φ = 28166400.

The previous prime is 53113523. The next prime is 53113547. The reversal of 53113545 is 54531135.

53113545 is a `hidden beast` number, since 5 + 3 + 113 + 545 = 666.

53113545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2944656 + 50168889 = 1716^2 + 7083^2 .

It is not a de Polignac number, because 53113545 - 215 = 53080777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53113547) 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 23 ways as a sum of consecutive naturals, for example, 4885 + ... + 11405.

It is an arithmetic number, because the mean of its divisors is an integer number (3857763).

Almost surely, 253113545 is an apocalyptic number.

It is an amenable number.

53113545 is a deficient number, since it is larger than the sum of its proper divisors (39472767).

53113545 is a wasteful number, since it uses less digits than its factorization.

53113545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713 (or 6710 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 53113545 is about 7287.9040196753. The cubic root of 53113545 is about 375.8966277810.

The spelling of 53113545 in words is "fifty-three million, one hundred thirteen thousand, five hundred forty-five".

Divisors: 1 3 5 9 15 45 181 543 905 1629 2715 6521 8145 19563 32605 58689 97815 293445 1180301 3540903 5901505 10622709 17704515 53113545