Base | Representation |
---|---|
bin | 110110110110… |
… | …0010001101011 |
3 | 2000002220111220 |
4 | 1231230101223 |
5 | 24330130201 |
6 | 2504153123 |
7 | 466261653 |
oct | 155542153 |
9 | 60086456 |
10 | 28755051 |
11 | 15260106 |
12 | 97687a3 |
13 | 5c5a430 |
14 | 3b67363 |
15 | 27d0036 |
hex | 1b6c46b |
28755051 has 8 divisors (see below), whose sum is σ = 41289360. Its totient is φ = 17695392.
The previous prime is 28755043. The next prime is 28755053. The reversal of 28755051 is 15055782.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28755051 - 23 = 28755043 is a prime.
It is not an unprimeable number, because it can be changed into a prime (28755053) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368616 + ... + 368693.
It is an arithmetic number, because the mean of its divisors is an integer number (5161170).
Almost surely, 228755051 is an apocalyptic number.
28755051 is a deficient number, since it is larger than the sum of its proper divisors (12534309).
28755051 is a wasteful number, since it uses less digits than its factorization.
28755051 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 737325.
The product of its (nonzero) digits is 14000, while the sum is 33.
The square root of 28755051 is about 5362.3736348748. The cubic root of 28755051 is about 306.3642230596.
The spelling of 28755051 in words is "twenty-eight million, seven hundred fifty-five thousand, fifty-one".
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