Search a number
-
+
224672868 = 22327891559
BaseRepresentation
bin11010110010000…
…11110001100100
3120122202120020100
431121003301210
5430004012433
634143304100
75365454640
oct1531036144
9518676210
10224672868
11105905062
12632ab030
1337715634
1421ba5c20
1514aceb13
hexd643c64

224672868 has 36 divisors (see below), whose sum is σ = 649055680. Its totient is φ = 64192176.

The previous prime is 224672863. The next prime is 224672911. The reversal of 224672868 is 868276422.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (224672863) 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 11 ways as a sum of consecutive naturals, for example, 445528 + ... + 446031.

Almost surely, 2224672868 is an apocalyptic number.

224672868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

224672868 is an abundant number, since it is smaller than the sum of its proper divisors (424382812).

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

224672868 is a wasteful number, since it uses less digits than its factorization.

224672868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891576 (or 891571 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 224672868 is about 14989.0916335847. The cubic root of 224672868 is about 607.9252887480.

The spelling of 224672868 in words is "two hundred twenty-four million, six hundred seventy-two thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 891559 1783118 2674677 3566236 5349354 6240913 8024031 10698708 12481826 16048062 18722739 24963652 32096124 37445478 56168217 74890956 112336434 224672868