Base | Representation |
---|---|
bin | 111001011001100… |
… | …0101001000101000 |
3 | 11222020002120201002 |
4 | 1302303011020220 |
5 | 12421023234000 |
6 | 515040414132 |
7 | 65504445641 |
oct | 16263051050 |
9 | 4866076632 |
10 | 1925993000 |
11 | 8a919a058 |
12 | 459017348 |
13 | 249034a39 |
14 | 143b126c8 |
15 | b41448d5 |
hex | 72cc5228 |
1925993000 has 32 divisors (see below), whose sum is σ = 4506825960. Its totient is φ = 770396800.
The previous prime is 1925992949. The next prime is 1925993009. The reversal of 1925993000 is 3995291.
It can be written as a sum of positive squares in 4 ways, for example, as 743871076 + 1182121924 = 27274^2 + 34382^2 .
It is not an unprimeable number, because it can be changed into a prime (1925993009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961997 + ... + 963996.
Almost surely, 21925993000 is an apocalyptic number.
1925993000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1925993000 is an abundant number, since it is smaller than the sum of its proper divisors (2580832960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1925993000 is a wasteful number, since it uses less digits than its factorization.
1925993000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1926014 (or 1926000 counting only the distinct ones).
The product of its (nonzero) digits is 21870, while the sum is 38.
The square root of 1925993000 is about 43886.1367632194. The cubic root of 1925993000 is about 1244.1848289802.
The spelling of 1925993000 in words is "one billion, nine hundred twenty-five million, nine hundred ninety-three thousand".
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