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53146245 = 3531373089
BaseRepresentation
bin1100101010111…
…1001010000101
310201000002221110
43022233022011
5102101134440
65135035233
71213510215
oct312571205
9121002843
1053146245
1127aaa619
121596bb19
13b01a4a9
1470b6245
1549ec080
hex32af285

53146245 has 32 divisors (see below), whose sum is σ = 90178560. Its totient is φ = 26680320.

The previous prime is 53146243. The next prime is 53146259. The reversal of 53146245 is 54264135.

53146245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53146245 - 21 = 53146243 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53146243) 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 31 ways as a sum of consecutive naturals, for example, 15661 + ... + 18749.

It is an arithmetic number, because the mean of its divisors is an integer number (2818080).

Almost surely, 253146245 is an apocalyptic number.

It is an amenable number.

53146245 is a deficient number, since it is larger than the sum of its proper divisors (37032315).

53146245 is a wasteful number, since it uses less digits than its factorization.

53146245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165.

The product of its digits is 14400, while the sum is 30.

The square root of 53146245 is about 7290.1471178571. The cubic root of 53146245 is about 375.9737537323.

The spelling of 53146245 in words is "fifty-three million, one hundred forty-six thousand, two hundred forty-five".

Divisors: 1 3 5 15 31 37 93 111 155 185 465 555 1147 3089 3441 5735 9267 15445 17205 46335 95759 114293 287277 342879 478795 571465 1436385 1714395 3543083 10629249 17715415 53146245