Base | Representation |
---|---|
bin | 111001100001001… |
… | …1110011100110100 |
3 | 11222111200121212002 |
4 | 1303002132130310 |
5 | 12423041410402 |
6 | 515303114432 |
7 | 65553655163 |
oct | 16302363464 |
9 | 4874617762 |
10 | 1930028852 |
11 | 9004a6274 |
12 | 45a442a18 |
13 | 249b18a0b |
14 | 1444833da |
15 | b4690602 |
hex | 7309e734 |
1930028852 has 12 divisors (see below), whose sum is σ = 3381161700. Its totient is φ = 963982656.
The previous prime is 1930028839. The next prime is 1930028869. The reversal of 1930028852 is 2588200391.
It can be written as a sum of positive squares in 2 ways, for example, as 501491236 + 1428537616 = 22394^2 + 37796^2 .
It is a super-2 number, since 2×19300288522 = 7450022739104875808, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253727 + ... + 261222.
It is an arithmetic number, because the mean of its divisors is an integer number (281763475).
Almost surely, 21930028852 is an apocalyptic number.
It is an amenable number.
1930028852 is a deficient number, since it is larger than the sum of its proper divisors (1451132848).
1930028852 is a wasteful number, since it uses less digits than its factorization.
1930028852 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 515890 (or 515888 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 38.
The square root of 1930028852 is about 43932.0936446239. The cubic root of 1930028852 is about 1245.0532714850.
The spelling of 1930028852 in words is "one billion, nine hundred thirty million, twenty-eight thousand, eight hundred fifty-two".
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