Search a number
-
+
47993168 = 2422313451
BaseRepresentation
bin1011011100010…
…1000101010000
310100022022020202
42313011011100
544241240133
64432354332
71121635526
oct267050520
9110268222
1047993168
11250aaa83
12140a59a8
139c34b32
146534316
1543302e8
hex2dc5150

47993168 has 20 divisors (see below), whose sum is σ = 93410688. Its totient is φ = 23887200.

The previous prime is 47993167. The next prime is 47993201. The reversal of 47993168 is 86139974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47993167) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3158 + ... + 10293.

Almost surely, 247993168 is an apocalyptic number.

It is an amenable number.

47993168 is a deficient number, since it is larger than the sum of its proper divisors (45417520).

47993168 is a wasteful number, since it uses less digits than its factorization.

47993168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13682 (or 13676 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 47993168 is about 6927.7101555998. The cubic root of 47993168 is about 363.4068752929.

The spelling of 47993168 in words is "forty-seven million, nine hundred ninety-three thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 16 223 446 892 1784 3568 13451 26902 53804 107608 215216 2999573 5999146 11998292 23996584 47993168