Base | Representation |
---|---|
bin | 111011011000010… |
… | …0000000111011110 |
3 | 12010212002201120201 |
4 | 1312300200013132 |
5 | 13040030112300 |
6 | 525412334114 |
7 | 100242225004 |
oct | 16660400736 |
9 | 5125081521 |
10 | 1992425950 |
11 | 932744119 |
12 | 47731433a |
13 | 259a24a88 |
14 | 14c886a74 |
15 | b9db866a |
hex | 76c201de |
1992425950 has 48 divisors (see below), whose sum is σ = 3823505280. Its totient is φ = 771880320.
The previous prime is 1992425849. The next prime is 1992425951. The reversal of 1992425950 is 595242991.
It is a super-2 number, since 2×19924259502 = 7939522332466805000, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1992425950.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1992425951) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421299 + ... + 426001.
It is an arithmetic number, because the mean of its divisors is an integer number (79656360).
Almost surely, 21992425950 is an apocalyptic number.
1992425950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1992425950 is a deficient number, since it is larger than the sum of its proper divisors (1831079330).
1992425950 is a wasteful number, since it uses less digits than its factorization.
1992425950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4981 (or 4976 counting only the distinct ones).
The product of its (nonzero) digits is 291600, while the sum is 46.
The square root of 1992425950 is about 44636.5987727560. The cubic root of 1992425950 is about 1258.3285871298.
The spelling of 1992425950 in words is "one billion, nine hundred ninety-two million, four hundred twenty-five thousand, nine hundred fifty".
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