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14993820 = 2232583299
BaseRepresentation
bin111001001100…
…100110011100
31001012202122200
4321030212130
512314300240
61253211500
7241305522
oct71144634
931182580
1014993820
118511096
125030b90
13314c8aa
141dc4312
1514b2930
hexe4c99c

14993820 has 36 divisors (see below), whose sum is σ = 45481800. Its totient is φ = 3998304.

The previous prime is 14993819. The next prime is 14993821. The reversal of 14993820 is 2839941.

14993820 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14993819) and next prime (14993821).

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14993821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41470 + ... + 41829.

Almost surely, 214993820 is an apocalyptic number.

14993820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14993820 is an abundant number, since it is smaller than the sum of its proper divisors (30487980).

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

14993820 is a wasteful number, since it uses less digits than its factorization.

14993820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83314 (or 83309 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 14993820 is about 3872.1854294442. The cubic root of 14993820 is about 246.5873334681.

The spelling of 14993820 in words is "fourteen million, nine hundred ninety-three thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 83299 166598 249897 333196 416495 499794 749691 832990 999588 1249485 1499382 1665980 2498970 2998764 3748455 4997940 7496910 14993820