Base | Representation |
---|---|
bin | 10111011011011… |
… | …000001101011111 |
3 | 1000101121011101101 |
4 | 113123120031133 |
5 | 1301110144043 |
6 | 103000253531 |
7 | 12511616116 |
oct | 2733301537 |
9 | 1011534341 |
10 | 393053023 |
11 | 191960610 |
12 | ab7712a7 |
13 | 6357b56c |
14 | 3a2b6c7d |
15 | 2479024d |
hex | 176d835f |
393053023 has 8 divisors (see below), whose sum is σ = 428980176. Its totient is φ = 357158400.
The previous prime is 393052993. The next prime is 393053027. The reversal of 393053023 is 320350393.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 393053023 - 29 = 393052511 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 393052982 and 393053000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (393053027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22015 + ... + 35647.
It is an arithmetic number, because the mean of its divisors is an integer number (53622522).
Almost surely, 2393053023 is an apocalyptic number.
393053023 is a deficient number, since it is larger than the sum of its proper divisors (35927153).
393053023 is a wasteful number, since it uses less digits than its factorization.
393053023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16265.
The product of its (nonzero) digits is 7290, while the sum is 28.
The square root of 393053023 is about 19825.5648847643. The cubic root of 393053023 is about 732.5158848338.
It can be divided in two parts, 3930 and 53023, that added together give a triangular number (56953 = T337).
The spelling of 393053023 in words is "three hundred ninety-three million, fifty-three thousand, twenty-three".
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