Base | Representation |
---|---|
bin | 1011010111101… |
… | …1010100011110 |
3 | 10022201221210202 |
4 | 2311323110132 |
5 | 44202103123 |
6 | 4422103502 |
7 | 1116236633 |
oct | 265732436 |
9 | 108657722 |
10 | 47691038 |
11 | 24a13a8a |
12 | 13b7ab92 |
13 | 9b5a465 |
14 | 649618a |
15 | 42c0a28 |
hex | 2d7b51e |
47691038 has 8 divisors (see below), whose sum is σ = 71605632. Its totient is φ = 23822496.
The previous prime is 47691037. The next prime is 47691067. The reversal of 47691038 is 83019674.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 47690992 and 47691010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47691031) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8795 + ... + 13142.
It is an arithmetic number, because the mean of its divisors is an integer number (8950704).
Almost surely, 247691038 is an apocalyptic number.
47691038 is a deficient number, since it is larger than the sum of its proper divisors (23914594).
47691038 is a wasteful number, since it uses less digits than its factorization.
47691038 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23026.
The product of its (nonzero) digits is 36288, while the sum is 38.
The square root of 47691038 is about 6905.8698221151. The cubic root of 47691038 is about 362.6426878625.
The spelling of 47691038 in words is "forty-seven million, six hundred ninety-one thousand, thirty-eight".
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