Base | Representation |
---|---|
bin | 111001001100… |
… | …100110011100 |
3 | 1001012202122200 |
4 | 321030212130 |
5 | 12314300240 |
6 | 1253211500 |
7 | 241305522 |
oct | 71144634 |
9 | 31182580 |
10 | 14993820 |
11 | 8511096 |
12 | 5030b90 |
13 | 314c8aa |
14 | 1dc4312 |
15 | 14b2930 |
hex | e4c99c |
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".
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