Search a number
-
+
14988660 = 2235249811
BaseRepresentation
bin111001001011…
…010101110100
31001012111120120
4321023111310
512314114120
61253131540
7241254501
oct71132564
931174516
1014988660
118508225
125029bb0
13314a43b
141dc24a8
1514b1140
hexe4b574

14988660 has 24 divisors (see below), whose sum is σ = 41968416. Its totient is φ = 3996960.

The previous prime is 14988653. The next prime is 14988671. The reversal of 14988660 is 6688941.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 124846 + ... + 124965.

It is an arithmetic number, because the mean of its divisors is an integer number (1748684).

Almost surely, 214988660 is an apocalyptic number.

14988660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14988660 is an abundant number, since it is smaller than the sum of its proper divisors (26979756).

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

14988660 is a wasteful number, since it uses less digits than its factorization.

14988660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249823 (or 249821 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 14988660 is about 3871.5190817042. The cubic root of 14988660 is about 246.5590432208.

The spelling of 14988660 in words is "fourteen million, nine hundred eighty-eight thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 249811 499622 749433 999244 1249055 1498866 2498110 2997732 3747165 4996220 7494330 14988660