Base | Representation |
---|---|
bin | 10110111110111… |
… | …110100001101110 |
3 | 222212120220110000 |
4 | 112332332201232 |
5 | 1242203422130 |
6 | 102132525130 |
7 | 12361416651 |
oct | 2676764156 |
9 | 885526400 |
10 | 385607790 |
11 | 188735927 |
12 | a91807a6 |
13 | 61b727b9 |
14 | 392d9898 |
15 | 23cbe260 |
hex | 16fbe86e |
385607790 has 40 divisors (see below), whose sum is σ = 1036858680. Its totient is φ = 102828528.
The previous prime is 385607767. The next prime is 385607837. The reversal of 385607790 is 97706583.
It is a happy number.
385607790 is a `hidden beast` number, since 38 + 5 + 607 + 7 + 9 + 0 = 666.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 237220 + ... + 238839.
It is an arithmetic number, because the mean of its divisors is an integer number (25921467).
Almost surely, 2385607790 is an apocalyptic number.
385607790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
385607790 is an abundant number, since it is smaller than the sum of its proper divisors (651250890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385607790 is a wasteful number, since it uses less digits than its factorization.
385607790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 476078 (or 476069 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 45.
The square root of 385607790 is about 19636.8986858923. The cubic root of 385607790 is about 727.8612511308.
The spelling of 385607790 in words is "three hundred eighty-five million, six hundred seven thousand, seven hundred ninety".
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