Base | Representation |
---|---|
bin | 1001111001100… |
… | …11011111000111 |
3 | 12210021021222100 |
4 | 10330303133013 |
5 | 132230022031 |
6 | 12124003143 |
7 | 2025620406 |
oct | 474633707 |
9 | 183237870 |
10 | 83048391 |
11 | 42973538 |
12 | 239904b3 |
13 | 14289a7a |
14 | b05b63d |
15 | 7456de6 |
hex | 4f337c7 |
83048391 has 12 divisors (see below), whose sum is σ = 120114280. Its totient is φ = 55293840.
The previous prime is 83048353. The next prime is 83048401. The reversal of 83048391 is 19384038.
It is not a de Polignac number, because 83048391 - 26 = 83048327 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83048321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1896 + ... + 13026.
Almost surely, 283048391 is an apocalyptic number.
83048391 is a deficient number, since it is larger than the sum of its proper divisors (37065889).
83048391 is a wasteful number, since it uses less digits than its factorization.
83048391 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11966 (or 11963 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 83048391 is about 9113.0889933107. The cubic root of 83048391 is about 436.2918237530.
The spelling of 83048391 in words is "eighty-three million, forty-eight thousand, three hundred ninety-one".
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