Base | Representation |
---|---|
bin | 1010110101111… |
… | …00110011000001 |
3 | 20100010210002222 |
4 | 11122330303001 |
5 | 141240411344 |
6 | 13005220425 |
7 | 2153032553 |
oct | 532746301 |
9 | 210123088 |
10 | 90950849 |
11 | 473807a0 |
12 | 26561715 |
13 | 15ac5992 |
14 | c1174d3 |
15 | 7eb85ee |
hex | 56bccc1 |
90950849 has 8 divisors (see below), whose sum is σ = 99381600. Its totient is φ = 82547200.
The previous prime is 90950843. The next prime is 90950879. The reversal of 90950849 is 94805909.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-90950849 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (90950843) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 602 + ... + 13500.
It is an arithmetic number, because the mean of its divisors is an integer number (12422700).
Almost surely, 290950849 is an apocalyptic number.
It is an amenable number.
90950849 is a deficient number, since it is larger than the sum of its proper divisors (8430751).
90950849 is a wasteful number, since it uses less digits than its factorization.
90950849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13551.
The product of its (nonzero) digits is 116640, while the sum is 44.
The square root of 90950849 is about 9536.8154538085. The cubic root of 90950849 is about 449.7131488737.
The spelling of 90950849 in words is "ninety million, nine hundred fifty thousand, eight hundred forty-nine".
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