Search a number
-
+
53147408 = 2419792213
BaseRepresentation
bin1100101010111…
…1011100010000
310201000011112112
43022233130100
5102101204113
65135044452
71213513466
oct312573420
9121004475
1053147408
1128000486
1215970728
13b01ab92
1470b6836
1549ec5a8
hex32af710

53147408 has 40 divisors (see below), whose sum is σ = 109814400. Its totient is φ = 24845184.

The previous prime is 53147407. The next prime is 53147443. The reversal of 53147408 is 80474135.

53147408 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53147407) 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 7 ways as a sum of consecutive naturals, for example, 22910 + ... + 25122.

It is an arithmetic number, because the mean of its divisors is an integer number (2745360).

Almost surely, 253147408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53147408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54907200).

53147408 is an abundant number, since it is smaller than the sum of its proper divisors (56666992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53147408 is a wasteful number, since it uses less digits than its factorization.

53147408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2319 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 53147408 is about 7290.2268826148. The cubic root of 53147408 is about 375.9764961919.

It can be divided in two parts, 5 and 3147408, that added together give a palindrome (3147413).

The spelling of 53147408 in words is "fifty-three million, one hundred forty-seven thousand, four hundred eight".

Divisors: 1 2 4 8 16 19 38 76 79 152 158 304 316 632 1264 1501 2213 3002 4426 6004 8852 12008 17704 24016 35408 42047 84094 168188 174827 336376 349654 672752 699308 1398616 2797232 3321713 6643426 13286852 26573704 53147408