Base | Representation |
---|---|
bin | 1011010010111… |
… | …0001011110011 |
3 | 10022010220102000 |
4 | 2310232023303 |
5 | 44112000331 |
6 | 4411225043 |
7 | 1113452541 |
oct | 264561363 |
9 | 108126360 |
10 | 47375091 |
11 | 24818675 |
12 | 13a48183 |
13 | 9a796ca |
14 | 6412d91 |
15 | 425c0e6 |
hex | 2d2e2f3 |
47375091 has 16 divisors (see below), whose sum is σ = 70912800. Its totient is φ = 31256064.
The previous prime is 47375087. The next prime is 47375093. The reversal of 47375091 is 19057374.
It is a happy number.
It is not a de Polignac number, because 47375091 - 22 = 47375087 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47375093) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6426 + ... + 11663.
It is an arithmetic number, because the mean of its divisors is an integer number (4432050).
Almost surely, 247375091 is an apocalyptic number.
47375091 is a deficient number, since it is larger than the sum of its proper divisors (23537709).
47375091 is a wasteful number, since it uses less digits than its factorization.
47375091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18195 (or 18189 counting only the distinct ones).
The product of its (nonzero) digits is 26460, while the sum is 36.
The square root of 47375091 is about 6882.9565595026. The cubic root of 47375091 is about 361.8400924743.
The spelling of 47375091 in words is "forty-seven million, three hundred seventy-five thousand, ninety-one".
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