Base | Representation |
---|---|
bin | 110110010110… |
… | …1000010111001 |
3 | 1222121202020112 |
4 | 1230231002321 |
5 | 24243333212 |
6 | 2454434105 |
7 | 464132612 |
oct | 154550271 |
9 | 58552215 |
10 | 28496057 |
11 | 150a3567 |
12 | 9662935 |
13 | 5b99595 |
14 | 3adac09 |
15 | 277d422 |
hex | 1b2d0b9 |
28496057 has 8 divisors (see below), whose sum is σ = 30427584. Its totient is φ = 26622288.
The previous prime is 28496023. The next prime is 28496059. The reversal of 28496057 is 75069482.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 28496057 - 26 = 28495993 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (28496059) 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 7 ways as a sum of consecutive naturals, for example, 13418 + ... + 15395.
It is an arithmetic number, because the mean of its divisors is an integer number (3803448).
Almost surely, 228496057 is an apocalyptic number.
It is an amenable number.
28496057 is a deficient number, since it is larger than the sum of its proper divisors (1931527).
28496057 is a wasteful number, since it uses less digits than its factorization.
28496057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28879.
The product of its (nonzero) digits is 120960, while the sum is 41.
The square root of 28496057 is about 5338.1698174562. The cubic root of 28496057 is about 305.4416498751.
The spelling of 28496057 in words is "twenty-eight million, four hundred ninety-six thousand, fifty-seven".
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