| Base | Representation |
|---|---|
| bin | 111001100010101… |
| … | …1100000101100100 |
| 3 | 11222120011002100200 |
| 4 | 1303011130011210 |
| 5 | 12423241234404 |
| 6 | 515331510500 |
| 7 | 65563401600 |
| oct | 16305340544 |
| 9 | 4876132320 |
| 10 | 1930805604 |
| 11 | 900986912 |
| 12 | 45a758430 |
| 13 | 24a02b430 |
| 14 | 144606500 |
| 15 | b4795839 |
| hex | 7315c164 |
1930805604 has 216 divisors, whose sum is σ = 6156554040. Its totient is φ = 505709568.
The previous prime is 1930805603. The next prime is 1930805609. The reversal of 1930805604 is 4065080391.
1930805604 is a `hidden beast` number, since 1 + 93 + 0 + 8 + 0 + 560 + 4 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 318622500 + 1612183104 = 17850^2 + 40152^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1930805603) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6168552 + ... + 6168864.
It is an arithmetic number, because the mean of its divisors is an integer number (28502565).
Almost surely, 21930805604 is an apocalyptic number.
1930805604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1930805604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3078277020).
1930805604 is an abundant number, since it is smaller than the sum of its proper divisors (4225748436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1930805604 is a wasteful number, since it uses less digits than its factorization.
1930805604 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 619 (or 607 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 1930805604 is about 43940.9331261866. The cubic root of 1930805604 is about 1245.2202755358.
Adding to 1930805604 its reverse (4065080391), we get a palindrome (5995885995).
The spelling of 1930805604 in words is "one billion, nine hundred thirty million, eight hundred five thousand, six hundred four".
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