Base | Representation |
---|---|
bin | 1001111001110… |
… | …01111110011011 |
3 | 12210022122102210 |
4 | 10330321332123 |
5 | 132231344341 |
6 | 12124330203 |
7 | 2026061040 |
oct | 474717633 |
9 | 183278383 |
10 | 83074971 |
11 | 42991501 |
12 | 239a3963 |
13 | 14298bb5 |
14 | b0671c7 |
15 | 745ec16 |
hex | 4f39f9b |
83074971 has 32 divisors (see below), whose sum is σ = 135475200. Its totient is φ = 44199936.
The previous prime is 83074967. The next prime is 83074987. The reversal of 83074971 is 17947038.
It is not a de Polignac number, because 83074971 - 22 = 83074967 is a prime.
It is not an unprimeable number, because it can be changed into a prime (83074921) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33430 + ... + 35828.
It is an arithmetic number, because the mean of its divisors is an integer number (4233600).
Almost surely, 283074971 is an apocalyptic number.
83074971 is a deficient number, since it is larger than the sum of its proper divisors (52400229).
83074971 is a wasteful number, since it uses less digits than its factorization.
83074971 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2523.
The product of its (nonzero) digits is 42336, while the sum is 39.
The square root of 83074971 is about 9114.5472185951. The cubic root of 83074971 is about 436.3383644889.
The spelling of 83074971 in words is "eighty-three million, seventy-four thousand, nine hundred seventy-one".
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