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20141928 = 23322312163
BaseRepresentation
bin100110011010…
…1011101101000
31101220022112100
41030311131220
520124020203
61555413400
7333126552
oct114653550
941808470
1020141928
1110407a24
1268b4260
134232c01
1429644d2
151b7cea3
hex1335768

20141928 has 48 divisors (see below), whose sum is σ = 56927520. Its totient is φ = 6421536.

The previous prime is 20141917. The next prime is 20141929. The reversal of 20141928 is 82914102.

It is not an unprimeable number, because it can be changed into a prime (20141929) 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, 4426 + ... + 7737.

It is an arithmetic number, because the mean of its divisors is an integer number (1185990).

Almost surely, 220141928 is an apocalyptic number.

It is an amenable number.

20141928 is an abundant number, since it is smaller than the sum of its proper divisors (36785592).

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

20141928 is a wasteful number, since it uses less digits than its factorization.

20141928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12198 (or 12191 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 20141928 is about 4487.9759357644. The cubic root of 20141928 is about 272.0823352243.

The spelling of 20141928 in words is "twenty million, one hundred forty-one thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 36 46 69 72 92 138 184 207 276 414 552 828 1656 12163 24326 36489 48652 72978 97304 109467 145956 218934 279749 291912 437868 559498 839247 875736 1118996 1678494 2237992 2517741 3356988 5035482 6713976 10070964 20141928