Base | Representation |
---|---|
bin | 10111000000000… |
… | …011101000111100 |
3 | 222220010021202200 |
4 | 113000003220330 |
5 | 1242242002001 |
6 | 102142551500 |
7 | 12364006200 |
oct | 2700035074 |
9 | 886107680 |
10 | 385890876 |
11 | 188909588 |
12 | a9298590 |
13 | 61c415c7 |
14 | 39370b00 |
15 | 23d28086 |
hex | 17003a3c |
385890876 has 108 divisors (see below), whose sum is σ = 1140185592. Its totient is φ = 109722816.
The previous prime is 385890853. The next prime is 385890881. The reversal of 385890876 is 678098583.
It is a happy number.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 498826 + ... + 499598.
It is an arithmetic number, because the mean of its divisors is an integer number (10557274).
Almost surely, 2385890876 is an apocalyptic number.
385890876 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 385890876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570092796).
385890876 is an abundant number, since it is smaller than the sum of its proper divisors (754294716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385890876 is a wasteful number, since it uses less digits than its factorization.
385890876 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1080 (or 1068 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 54.
The square root of 385890876 is about 19644.1053754046. The cubic root of 385890876 is about 728.0393223336.
The spelling of 385890876 in words is "three hundred eighty-five million, eight hundred ninety thousand, eight hundred seventy-six".
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