Base | Representation |
---|---|
bin | 111010111001111111110 |
3 | 10122001210022 |
4 | 13113033332 |
5 | 443231423 |
6 | 105212142 |
7 | 22256342 |
oct | 7271776 |
9 | 3561708 |
10 | 1930238 |
11 | 10a9242 |
12 | 791052 |
13 | 52776b |
14 | 383622 |
15 | 281dc8 |
hex | 1d73fe |
1930238 has 8 divisors (see below), whose sum is σ = 2901288. Its totient is φ = 963144.
The previous prime is 1930237. The next prime is 1930249. The reversal of 1930238 is 8320391.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1930237) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220 + ... + 2312.
It is an arithmetic number, because the mean of its divisors is an integer number (362661).
21930238 is an apocalyptic number.
1930238 is a deficient number, since it is larger than the sum of its proper divisors (971050).
1930238 is a wasteful number, since it uses less digits than its factorization.
1930238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1978.
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 1930238 is about 1389.3300543787. The cubic root of 1930238 is about 124.5098243351.
The spelling of 1930238 in words is "one million, nine hundred thirty thousand, two hundred thirty-eight".
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