Base | Representation |
---|---|
bin | 10111011011010… |
… | …001011011011101 |
3 | 1000101112202021120 |
4 | 113123101123131 |
5 | 1301103301440 |
6 | 102555521153 |
7 | 12511442124 |
oct | 2733213335 |
9 | 1011482246 |
10 | 393025245 |
11 | 191941758 |
12 | ab7591b9 |
13 | 6356ba22 |
14 | 3a2aaabb |
15 | 24786dd0 |
hex | 176d16dd |
393025245 has 16 divisors (see below), whose sum is σ = 629284992. Its totient is φ = 209465280.
The previous prime is 393025229. The next prime is 393025253. The reversal of 393025245 is 542520393.
393025245 is nontrivially palindromic in base 2.
It is not a de Polignac number, because 393025245 - 24 = 393025229 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14655 + ... + 31635.
It is an arithmetic number, because the mean of its divisors is an integer number (39330312).
Almost surely, 2393025245 is an apocalyptic number.
It is an amenable number.
393025245 is a deficient number, since it is larger than the sum of its proper divisors (236259747).
393025245 is a wasteful number, since it uses less digits than its factorization.
393025245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18532.
The product of its (nonzero) digits is 32400, while the sum is 33.
The square root of 393025245 is about 19824.8643122721. The cubic root of 393025245 is about 732.4986282090.
The spelling of 393025245 in words is "three hundred ninety-three million, twenty-five thousand, two hundred forty-five".
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