Base | Representation |
---|---|
bin | 10110111111011… |
… | …010000010110000 |
3 | 222212210122001022 |
4 | 112333122002300 |
5 | 1242221023441 |
6 | 102135155012 |
7 | 12362366360 |
oct | 2677320260 |
9 | 885718038 |
10 | 385720496 |
11 | 188802577 |
12 | a9215a68 |
13 | 61bb1ba5 |
14 | 393289a0 |
15 | 23ce284b |
hex | 16fda0b0 |
385720496 has 20 divisors (see below), whose sum is σ = 854095632. Its totient is φ = 165308736.
The previous prime is 385720487. The next prime is 385720499. The reversal of 385720496 is 694027583.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (385720499) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1721855 + ... + 1722078.
Almost surely, 2385720496 is an apocalyptic number.
It is an amenable number.
385720496 is an abundant number, since it is smaller than the sum of its proper divisors (468375136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385720496 is a wasteful number, since it uses less digits than its factorization.
385720496 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3443948 (or 3443942 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 44.
The square root of 385720496 is about 19639.7682267383. The cubic root of 385720496 is about 727.9321576678.
The spelling of 385720496 in words is "three hundred eighty-five million, seven hundred twenty thousand, four hundred ninety-six".
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