Base | Representation |
---|---|
bin | 10110111110110… |
… | …111011110100000 |
3 | 222212112102211110 |
4 | 112332313132200 |
5 | 1242202011122 |
6 | 102132143320 |
7 | 12361236525 |
oct | 2676673640 |
9 | 885472743 |
10 | 385578912 |
11 | 188716164 |
12 | a9167b40 |
13 | 61b62604 |
14 | 392cd14c |
15 | 23cb590c |
hex | 16fb77a0 |
385578912 has 48 divisors (see below), whose sum is σ = 1013427072. Its totient is φ = 128363520.
The previous prime is 385578901. The next prime is 385578937. The reversal of 385578912 is 219875583.
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91737 + ... + 95847.
It is an arithmetic number, because the mean of its divisors is an integer number (21113064).
Almost surely, 2385578912 is an apocalyptic number.
385578912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
385578912 is an abundant number, since it is smaller than the sum of its proper divisors (627848160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
385578912 is a wasteful number, since it uses less digits than its factorization.
385578912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5101 (or 5093 counting only the distinct ones).
The product of its digits is 604800, while the sum is 48.
The square root of 385578912 is about 19636.1633727162. The cubic root of 385578912 is about 727.8430809395.
The spelling of 385578912 in words is "three hundred eighty-five million, five hundred seventy-eight thousand, nine hundred twelve".
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