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53870570 = 2513414389
BaseRepresentation
bin1100110101111…
…1111111101010
310202100220112022
43031133333222
5102242324240
65202344442
71222615025
oct315377752
9122326468
1053870570
1128454836
121605b122
13b2120a0
1472241bc
154ae19b5
hex335ffea

53870570 has 16 divisors (see below), whose sum is σ = 104426280. Its totient is φ = 19890624.

The previous prime is 53870561. The next prime is 53870573. The reversal of 53870570 is 7507835.

It can be written as a sum of positive squares in 4 ways, for example, as 23145721 + 30724849 = 4811^2 + 5543^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53870570.

It is not an unprimeable number, because it can be changed into a prime (53870573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207065 + ... + 207324.

Almost surely, 253870570 is an apocalyptic number.

53870570 is a deficient number, since it is larger than the sum of its proper divisors (50555710).

53870570 is a wasteful number, since it uses less digits than its factorization.

53870570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414409.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 53870570 is about 7339.6573489503. The cubic root of 53870570 is about 377.6740889659.

The spelling of 53870570 in words is "fifty-three million, eight hundred seventy thousand, five hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 414389 828778 2071945 4143890 5387057 10774114 26935285 53870570