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14491988 = 227517571
BaseRepresentation
bin110111010010…
…000101010100
31000021021021022
4313102011110
512202220423
61234340312
7234115460
oct67220524
930237238
1014491988
1181a9055
124a2a698
133005354
141cd34a0
151413dc8
hexdd2154

14491988 has 12 divisors (see below), whose sum is σ = 28984032. Its totient is φ = 6210840.

The previous prime is 14491979. The next prime is 14491991. The reversal of 14491988 is 88919441.

14491988 is an admirable number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 258758 + ... + 258813.

It is an arithmetic number, because the mean of its divisors is an integer number (2415336).

Almost surely, 214491988 is an apocalyptic number.

It is an amenable number.

14491988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

14491988 is a wasteful number, since it uses less digits than its factorization.

14491988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517582 (or 517580 counting only the distinct ones).

The product of its digits is 82944, while the sum is 44.

The square root of 14491988 is about 3806.8343804269. The cubic root of 14491988 is about 243.8050265424.

The spelling of 14491988 in words is "fourteen million, four hundred ninety-one thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 28 517571 1035142 2070284 3622997 7245994 14491988