Base | Representation |
---|---|
bin | 1011010111011… |
… | …0001100011000 |
3 | 10022200220000001 |
4 | 2311312030120 |
5 | 44200420130 |
6 | 4421422344 |
7 | 1116121465 |
oct | 265661430 |
9 | 108626001 |
10 | 47670040 |
11 | 249aa230 |
12 | 13b6a9b4 |
13 | 9b50a32 |
14 | 648c66c |
15 | 42b96ca |
hex | 2d76318 |
47670040 has 64 divisors (see below), whose sum is σ = 123910560. Its totient is φ = 16312320.
The previous prime is 47670019. The next prime is 47670043. The reversal of 47670040 is 4007674.
47670040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 47669990 and 47670008.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47670043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4294 + ... + 10666.
Almost surely, 247670040 is an apocalyptic number.
47670040 is a gapful number since it is divisible by the number (40) 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 47670040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61955280).
47670040 is an abundant number, since it is smaller than the sum of its proper divisors (76240520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47670040 is a wasteful number, since it uses less digits than its factorization.
47670040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6412 (or 6408 counting only the distinct ones).
The product of its (nonzero) digits is 4704, while the sum is 28.
The square root of 47670040 is about 6904.3493538494. The cubic root of 47670040 is about 362.5894571136.
The spelling of 47670040 in words is "forty-seven million, six hundred seventy thousand, forty".
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