Search a number
-
+
53408475 = 32521713963
BaseRepresentation
bin1100101110111…
…1001011011011
310201111102122200
43023233023123
5102133032400
65144421243
71215651561
oct313571333
9121442580
1053408475
112816963a
1215a77823
13b0ac963
147143a31
154a4eb00
hex32ef2db

53408475 has 36 divisors (see below), whose sum is σ = 101294856. Its totient is φ = 26807040.

The previous prime is 53408419. The next prime is 53408521. The reversal of 53408475 is 57480435.

It is not a de Polignac number, because 53408475 - 27 = 53408347 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3157 + ... + 10806.

It is an arithmetic number, because the mean of its divisors is an integer number (2813746).

Almost surely, 253408475 is an apocalyptic number.

53408475 is a deficient number, since it is larger than the sum of its proper divisors (47886381).

53408475 is a wasteful number, since it uses less digits than its factorization.

53408475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13996 (or 13988 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 53408475 is about 7308.1102208437. The cubic root of 53408475 is about 376.5911061353.

The spelling of 53408475 in words is "fifty-three million, four hundred eight thousand, four hundred seventy-five".

Divisors: 1 3 5 9 15 17 25 45 51 75 85 153 225 255 425 765 1275 3825 13963 41889 69815 125667 209445 237371 349075 628335 712113 1047225 1186855 2136339 3141675 3560565 5934275 10681695 17802825 53408475