Base | Representation |
---|---|
bin | 1000010110010… |
… | …00111000100001 |
3 | 11212202211111111 |
4 | 10023020320201 |
5 | 120411410313 |
6 | 10540543321 |
7 | 1510143460 |
oct | 413107041 |
9 | 155684444 |
10 | 70028833 |
11 | 36590776 |
12 | 1b551b41 |
13 | 1167b9a4 |
14 | 942c9d7 |
15 | 623443d |
hex | 42c8e21 |
70028833 has 4 divisors (see below), whose sum is σ = 80032960. Its totient is φ = 60024708.
The previous prime is 70028809. The next prime is 70028863. The reversal of 70028833 is 33882007.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 70028833 - 221 = 67931681 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 70028795 and 70028804.
It is not an unprimeable number, because it can be changed into a prime (70028863) 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, 5002053 + ... + 5002066.
It is an arithmetic number, because the mean of its divisors is an integer number (20008240).
Almost surely, 270028833 is an apocalyptic number.
It is an amenable number.
70028833 is a deficient number, since it is larger than the sum of its proper divisors (10004127).
70028833 is a wasteful number, since it uses less digits than its factorization.
70028833 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10004126.
The product of its (nonzero) digits is 8064, while the sum is 31.
The square root of 70028833 is about 8368.3231892656. The cubic root of 70028833 is about 412.1851074606.
The spelling of 70028833 in words is "seventy million, twenty-eight thousand, eight hundred thirty-three".
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