Base | Representation |
---|---|
bin | 10111011010001… |
… | …011100011101110 |
3 | 1000101000012200220 |
4 | 113122023203232 |
5 | 1301020122204 |
6 | 102545432210 |
7 | 12506140551 |
oct | 2732134356 |
9 | 1011005626 |
10 | 392739054 |
11 | 191766734 |
12 | ab63b666 |
13 | 6349b696 |
14 | 3a234698 |
15 | 2472c1d9 |
hex | 1768b8ee |
392739054 has 16 divisors (see below), whose sum is σ = 812563920. Its totient is φ = 126398720.
The previous prime is 392739047. The next prime is 392739073. The reversal of 392739054 is 450937293.
It is a junction number, because it is equal to n+sod(n) for n = 392738997 and 392739015.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128387 + ... + 1128734.
It is an arithmetic number, because the mean of its divisors is an integer number (50785245).
Almost surely, 2392739054 is an apocalyptic number.
392739054 is an abundant number, since it is smaller than the sum of its proper divisors (419824866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
392739054 is a wasteful number, since it uses less digits than its factorization.
392739054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2257155.
The product of its (nonzero) digits is 204120, while the sum is 42.
The square root of 392739054 is about 19817.6450164998. The cubic root of 392739054 is about 732.3207894046.
The spelling of 392739054 in words is "three hundred ninety-two million, seven hundred thirty-nine thousand, fifty-four".
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