Base | Representation |
---|---|
bin | 10111000000001… |
… | …010101011111110 |
3 | 222220011202100210 |
4 | 113000022223332 |
5 | 1242243412432 |
6 | 102143333250 |
7 | 12364156305 |
oct | 2700125376 |
9 | 886152323 |
10 | 385919742 |
11 | 18892923a |
12 | a92b1226 |
13 | 61c517a0 |
14 | 3937b43c |
15 | 23d318cc |
hex | 1700aafe |
385919742 has 32 divisors (see below), whose sum is σ = 834196608. Its totient is φ = 118318176.
The previous prime is 385919717. The next prime is 385919761. The reversal of 385919742 is 247919583.
It is a junction number, because it is equal to n+sod(n) for n = 385919691 and 385919700.
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, 13333 + ... + 30815.
It is an arithmetic number, because the mean of its divisors is an integer number (26068644).
Almost surely, 2385919742 is an apocalyptic number.
385919742 is an abundant number, since it is smaller than the sum of its proper divisors (448276866).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385919742 is a wasteful number, since it uses less digits than its factorization.
385919742 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17784.
The product of its digits is 544320, while the sum is 48.
The square root of 385919742 is about 19644.8400858851. The cubic root of 385919742 is about 728.0574751849.
The spelling of 385919742 in words is "three hundred eighty-five million, nine hundred nineteen thousand, seven hundred forty-two".
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