Base | Representation |
---|---|
bin | 1011001101111… |
… | …1000011111000 |
3 | 10021112102211122 |
4 | 2303133003320 |
5 | 44021113000 |
6 | 4400244412 |
7 | 1110632633 |
oct | 263370370 |
9 | 107472748 |
10 | 47051000 |
11 | 24617127 |
12 | 13910708 |
13 | 9995039 |
14 | 636ac1a |
15 | 41e6085 |
hex | 2cdf0f8 |
47051000 has 32 divisors (see below), whose sum is σ = 110101680. Its totient is φ = 18820000.
The previous prime is 47050999. The next prime is 47051009. The reversal of 47051000 is 15074.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 47051000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47051009) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22526 + ... + 24525.
Almost surely, 247051000 is an apocalyptic number.
47051000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47051000 is an abundant number, since it is smaller than the sum of its proper divisors (63050680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47051000 is a wasteful number, since it uses less digits than its factorization.
47051000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47072 (or 47058 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 17.
The square root of 47051000 is about 6859.3731492025. The cubic root of 47051000 is about 361.0130928358.
Adding to 47051000 its reverse (15074), we get a palindrome (47066074).
The spelling of 47051000 in words is "forty-seven million, fifty-one thousand".
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