Base | Representation |
---|---|
bin | 1011010011000… |
… | …1001011110110 |
3 | 10022011112021020 |
4 | 2310301023312 |
5 | 44112344012 |
6 | 4411402010 |
7 | 1113533430 |
oct | 264611366 |
9 | 108145236 |
10 | 47387382 |
11 | 24826929 |
12 | 13a53306 |
13 | 9a82193 |
14 | 6417650 |
15 | 4260a8c |
hex | 2d312f6 |
47387382 has 32 divisors (see below), whose sum is σ = 109396224. Its totient is φ = 13404000.
The previous prime is 47387359. The next prime is 47387393. The reversal of 47387382 is 28378374.
It is a Harshad number since it is a multiple of its sum of digits (42).
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, 1344 + ... + 9827.
It is an arithmetic number, because the mean of its divisors is an integer number (3418632).
Almost surely, 247387382 is an apocalyptic number.
47387382 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
47387382 is an abundant number, since it is smaller than the sum of its proper divisors (62008842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47387382 is a wasteful number, since it uses less digits than its factorization.
47387382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11284.
The product of its digits is 225792, while the sum is 42.
The square root of 47387382 is about 6883.8493591885. The cubic root of 47387382 is about 361.8713817161.
The spelling of 47387382 in words is "forty-seven million, three hundred eighty-seven thousand, three hundred eighty-two".
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