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12331948 = 2216718461
BaseRepresentation
bin101111000010…
…101110101100
3212012112020211
4233002232230
511124110243
61120152204
7206551126
oct57025654
925175224
1012331948
116a631a2
124168664
13272a115
1418d0216
151138d9d
hexbc2bac

12331948 has 12 divisors (see below), whose sum is σ = 21711312. Its totient is φ = 6128720.

The previous prime is 12331909. The next prime is 12331951. The reversal of 12331948 is 84913321.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8563 + ... + 9898.

It is an arithmetic number, because the mean of its divisors is an integer number (1809276).

Almost surely, 212331948 is an apocalyptic number.

It is an amenable number.

12331948 is a deficient number, since it is larger than the sum of its proper divisors (9379364).

12331948 is a wasteful number, since it uses less digits than its factorization.

12331948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18632 (or 18630 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 12331948 is about 3511.6873437138. The cubic root of 12331948 is about 231.0347080273.

The spelling of 12331948 in words is "twelve million, three hundred thirty-one thousand, nine hundred forty-eight".

Divisors: 1 2 4 167 334 668 18461 36922 73844 3082987 6165974 12331948