Base | Representation |
---|---|
bin | 1011111111100001110 |
3 | 201222001121 |
4 | 1133330032 |
5 | 100033344 |
6 | 12231154 |
7 | 3224461 |
oct | 1377416 |
9 | 658047 |
10 | 392974 |
11 | 24927a |
12 | 16b4ba |
13 | 109b3a |
14 | a32d8 |
15 | 7b684 |
hex | 5ff0e |
392974 has 8 divisors (see below), whose sum is σ = 592200. Its totient is φ = 195576.
The previous prime is 392969. The next prime is 392981. The reversal of 392974 is 479293.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a d-powerful number, because it can be written as 33 + 94 + 94 + 25 + 76 + 49 .
It is a congruent number.
It is an unprimeable number.
392974 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417 + ... + 979.
It is an arithmetic number, because the mean of its divisors is an integer number (74025).
2392974 is an apocalyptic number.
392974 is a deficient number, since it is larger than the sum of its proper divisors (199226).
392974 is a wasteful number, since it uses less digits than its factorization.
392974 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 914.
The product of its digits is 13608, while the sum is 34.
The square root of 392974 is about 626.8763833484. The cubic root of 392974 is about 73.2466790963.
The spelling of 392974 in words is "three hundred ninety-two thousand, nine hundred seventy-four".
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