Base | Representation |
---|---|
bin | 1001111001101… |
… | …00000010011001 |
3 | 12210021102001222 |
4 | 10330310002121 |
5 | 132230110044 |
6 | 12124021425 |
7 | 2025630113 |
oct | 474640231 |
9 | 183242058 |
10 | 83050649 |
11 | 42975200 |
12 | 23991875 |
13 | 1428aac6 |
14 | b05c3b3 |
15 | 74578ee |
hex | 4f34099 |
83050649 has 12 divisors (see below), whose sum is σ = 91578480. Its totient is φ = 75259800.
The previous prime is 83050621. The next prime is 83050679. The reversal of 83050649 is 94605038.
It is not a de Polignac number, because 83050649 - 220 = 82002073 is a prime.
It is a super-3 number, since 3×830506493 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83050609) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44954 + ... + 46764.
It is an arithmetic number, because the mean of its divisors is an integer number (7631540).
Almost surely, 283050649 is an apocalyptic number.
It is an amenable number.
83050649 is a deficient number, since it is larger than the sum of its proper divisors (8527831).
83050649 is a wasteful number, since it uses less digits than its factorization.
83050649 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2212 (or 2201 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 35.
The square root of 83050649 is about 9113.2128802086. The cubic root of 83050649 is about 436.2957778252.
The spelling of 83050649 in words is "eighty-three million, fifty thousand, six hundred forty-nine".
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