Base | Representation |
---|---|
bin | 1011001111001… |
… | …0100101101100 |
3 | 10021200111120011 |
4 | 2303302211230 |
5 | 44031142423 |
6 | 4402103004 |
7 | 1111415062 |
oct | 263624554 |
9 | 107614504 |
10 | 47130988 |
11 | 24671233 |
12 | 1394aa64 |
13 | 99c2578 |
14 | 638c032 |
15 | 420eb0d |
hex | 2cf296c |
47130988 has 6 divisors (see below), whose sum is σ = 82479236. Its totient is φ = 23565492.
The previous prime is 47130983. The next prime is 47131009. The reversal of 47130988 is 88903174.
It is a super-2 number, since 2×471309882 = 4442660059712288, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 47130988.
It is not an unprimeable number, because it can be changed into a prime (47130983) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5891370 + ... + 5891377.
Almost surely, 247130988 is an apocalyptic number.
It is an amenable number.
47130988 is a deficient number, since it is larger than the sum of its proper divisors (35348248).
47130988 is a wasteful number, since it uses less digits than its factorization.
47130988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11782751 (or 11782749 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 40.
The square root of 47130988 is about 6865.2012352152. The cubic root of 47130988 is about 361.2175544269.
The spelling of 47130988 in words is "forty-seven million, one hundred thirty thousand, nine hundred eighty-eight".
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