Search a number
-
+
55243296 = 253421313
BaseRepresentation
bin1101001010111…
…1001000100000
310211221122120000
43102233020200
5103120241141
65252020000
71240363113
oct322571040
9124848500
1055243296
1129202119
1216601600
13b5a2b54
1474a057a
154cb35b6
hex34af220

55243296 has 60 divisors (see below), whose sum is σ = 162476622. Its totient is φ = 18413568.

The previous prime is 55243267. The next prime is 55243301. The reversal of 55243296 is 69234255.

It can be written as a sum of positive squares in only one way, i.e., 51322896 + 3920400 = 7164^2 + 1980^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55243296.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8065 + ... + 13248.

Almost surely, 255243296 is an apocalyptic number.

It is an amenable number.

55243296 is an abundant number, since it is smaller than the sum of its proper divisors (107233326).

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

55243296 is a wasteful number, since it uses less digits than its factorization.

55243296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21335 (or 21318 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 55243296 is about 7432.5834001375. The cubic root of 55243296 is about 380.8551746666.

The spelling of 55243296 in words is "fifty-five million, two hundred forty-three thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 288 324 432 648 864 1296 2592 21313 42626 63939 85252 127878 170504 191817 255756 341008 383634 511512 575451 682016 767268 1023024 1150902 1534536 1726353 2046048 2301804 3069072 3452706 4603608 6138144 6905412 9207216 13810824 18414432 27621648 55243296