Base | Representation |
---|---|
bin | 10111011000010… |
… | …010001110010111 |
3 | 1000100001221222010 |
4 | 113120102032113 |
5 | 1300403221241 |
6 | 102531035303 |
7 | 12502000614 |
oct | 2730221627 |
9 | 1010057863 |
10 | 392242071 |
11 | 191457301 |
12 | ab43bb33 |
13 | 63356400 |
14 | 3a14550b |
15 | 2467ed16 |
hex | 17612397 |
392242071 has 36 divisors (see below), whose sum is σ = 601810872. Its totient is φ = 227096064.
The previous prime is 392242063. The next prime is 392242073. The reversal of 392242071 is 170242293.
It is not a de Polignac number, because 392242071 - 23 = 392242063 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (392242073) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 145185 + ... + 147861.
Almost surely, 2392242071 is an apocalyptic number.
392242071 is a deficient number, since it is larger than the sum of its proper divisors (209568801).
392242071 is a wasteful number, since it uses less digits than its factorization.
392242071 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2740 (or 2710 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 392242071 is about 19805.1021456593. The cubic root of 392242071 is about 732.0117592694.
The spelling of 392242071 in words is "three hundred ninety-two million, two hundred forty-two thousand, seventy-one".
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