Base | Representation |
---|---|
bin | 110111001001000… |
… | …111110001111011 |
3 | 2101110210212210222 |
4 | 313021013301323 |
5 | 3343313404133 |
6 | 231444530255 |
7 | 31632354314 |
oct | 6711076173 |
9 | 2343725728 |
10 | 925138043 |
11 | 4352419a5 |
12 | 2199b098b |
13 | 11988867b |
14 | 8ac2160b |
15 | 56344e98 |
hex | 37247c7b |
925138043 has 4 divisors (see below), whose sum is σ = 931030800. Its totient is φ = 919245288.
The previous prime is 925138033. The next prime is 925138061. The reversal of 925138043 is 340831529.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340831529 = 2857 ⋅119297.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-925138043 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 925137994 and 925138012.
It is not an unprimeable number, because it can be changed into a prime (925138013) 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, 2946143 + ... + 2946456.
It is an arithmetic number, because the mean of its divisors is an integer number (232757700).
Almost surely, 2925138043 is an apocalyptic number.
925138043 is a deficient number, since it is larger than the sum of its proper divisors (5892757).
925138043 is a wasteful number, since it uses less digits than its factorization.
925138043 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5892756.
The product of its (nonzero) digits is 25920, while the sum is 35.
The square root of 925138043 is about 30416.0819797685. The cubic root of 925138043 is about 974.3960469162.
The spelling of 925138043 in words is "nine hundred twenty-five million, one hundred thirty-eight thousand, forty-three".
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