Base | Representation |
---|---|
bin | 111000001011… |
… | …111010100110 |
3 | 1000201022012201 |
4 | 320023322212 |
5 | 12232310440 |
6 | 1243405114 |
7 | 236123212 |
oct | 70137246 |
9 | 30638181 |
10 | 14728870 |
11 | 8350022 |
12 | 4b2379a |
13 | 3089110 |
14 | 1d55942 |
15 | 145e19a |
hex | e0bea6 |
14728870 has 32 divisors (see below), whose sum is σ = 28794528. Its totient is φ = 5392128.
The previous prime is 14728867. The next prime is 14728873. The reversal of 14728870 is 7882741.
It is an interprime number because it is at equal distance from previous prime (14728867) and next prime (14728873).
It is a super-2 number, since 2×147288702 = 433879222953800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14728873) 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 15 ways as a sum of consecutive naturals, for example, 17397 + ... + 18223.
It is an arithmetic number, because the mean of its divisors is an integer number (899829).
Almost surely, 214728870 is an apocalyptic number.
14728870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
14728870 is a deficient number, since it is larger than the sum of its proper divisors (14065658).
14728870 is a wasteful number, since it uses less digits than its factorization.
14728870 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 984.
The product of its (nonzero) digits is 25088, while the sum is 37.
The square root of 14728870 is about 3837.8209963468. The cubic root of 14728870 is about 245.1262434208.
The spelling of 14728870 in words is "fourteen million, seven hundred twenty-eight thousand, eight hundred seventy".
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