Base | Representation |
---|---|
bin | 111001100001111… |
… | …0010110000000000 |
3 | 11222112100011111200 |
4 | 1303003302300000 |
5 | 12423133433034 |
6 | 515314341200 |
7 | 65556623646 |
oct | 16303626000 |
9 | 4875304450 |
10 | 1930374144 |
11 | 900711736 |
12 | 45a58a800 |
13 | 249c09c2a |
14 | 144533196 |
15 | b470ca99 |
hex | 730f2c00 |
1930374144 has 66 divisors (see below), whose sum is σ = 5573940060. Its totient is φ = 643454976.
The previous prime is 1930374073. The next prime is 1930374163. The reversal of 1930374144 is 4414730391.
It is a super-3 number, since 3×19303741443 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1930374099 and 1930374108.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 95514 + ... + 113945.
Almost surely, 21930374144 is an apocalyptic number.
It is an amenable number.
1930374144 is an abundant number, since it is smaller than the sum of its proper divisors (3643565916).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1930374144 is a wasteful number, since it uses less digits than its factorization.
1930374144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209485 (or 209464 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 1930374144 is about 43936.0233066216. The cubic root of 1930374144 is about 1245.1275158499.
The spelling of 1930374144 in words is "one billion, nine hundred thirty million, three hundred seventy-four thousand, one hundred forty-four".
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