Base | Representation |
---|---|
bin | 110110010101… |
… | …1001101000010 |
3 | 1222121100220011 |
4 | 1230223031002 |
5 | 24243113024 |
6 | 2454335134 |
7 | 464101615 |
oct | 154531502 |
9 | 58540804 |
10 | 28488514 |
11 | 1509892a |
12 | 965a4aa |
13 | 5b96012 |
14 | 3ad817c |
15 | 277b094 |
hex | 1b2b342 |
28488514 has 8 divisors (see below), whose sum is σ = 42764688. Its totient is φ = 14233620.
The previous prime is 28488511. The next prime is 28488517. The reversal of 28488514 is 41588482.
It is an interprime number because it is at equal distance from previous prime (28488511) and next prime (28488517).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (28488511) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1392 + ... + 7675.
It is an arithmetic number, because the mean of its divisors is an integer number (5345586).
Almost surely, 228488514 is an apocalyptic number.
28488514 is a deficient number, since it is larger than the sum of its proper divisors (14276174).
28488514 is a wasteful number, since it uses less digits than its factorization.
28488514 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10640.
The product of its digits is 81920, while the sum is 40.
The square root of 28488514 is about 5337.4632551428. The cubic root of 28488514 is about 305.4146970270.
The spelling of 28488514 in words is "twenty-eight million, four hundred eighty-eight thousand, five hundred fourteen".
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