Base | Representation |
---|---|
bin | 1010110000100… |
… | …01001100000101 |
3 | 20021211001220100 |
4 | 11120101030011 |
5 | 141100413231 |
6 | 12542154313 |
7 | 2144044350 |
oct | 530211405 |
9 | 207731810 |
10 | 90247941 |
11 | 46a40683 |
12 | 26282999 |
13 | 1590aa64 |
14 | bdb3297 |
15 | 7dca1e6 |
hex | 5611305 |
90247941 has 24 divisors (see below), whose sum is σ = 150874880. Its totient is φ = 50914656.
The previous prime is 90247939. The next prime is 90247957. The reversal of 90247941 is 14974209.
It is not a de Polignac number, because 90247941 - 21 = 90247939 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 90247896 and 90247905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90247931) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4090 + ... + 14043.
Almost surely, 290247941 is an apocalyptic number.
It is an amenable number.
90247941 is a deficient number, since it is larger than the sum of its proper divisors (60626939).
90247941 is a wasteful number, since it uses less digits than its factorization.
90247941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18225 (or 18222 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 90247941 is about 9499.8916309609. The cubic root of 90247941 is about 448.5516247253.
The spelling of 90247941 in words is "ninety million, two hundred forty-seven thousand, nine hundred forty-one".
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