Base | Representation |
---|---|
bin | 1001111111110… |
… | …11111100001110 |
3 | 12211211000021002 |
4 | 10333323330032 |
5 | 132432310304 |
6 | 12153340302 |
7 | 2035610234 |
oct | 477737416 |
9 | 184730232 |
10 | 83869454 |
11 | 433843a9 |
12 | 24107692 |
13 | 144b66c6 |
14 | b1d2954 |
15 | 756a31e |
hex | 4ffbf0e |
83869454 has 16 divisors (see below), whose sum is σ = 134824608. Its totient is φ = 39026592.
The previous prime is 83869453. The next prime is 83869459. The reversal of 83869454 is 45496838.
It is a junction number, because it is equal to n+sod(n) for n = 83869399 and 83869408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83869453) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22937 + ... + 26340.
It is an arithmetic number, because the mean of its divisors is an integer number (8426538).
Almost surely, 283869454 is an apocalyptic number.
83869454 is a deficient number, since it is larger than the sum of its proper divisors (50955154).
83869454 is a wasteful number, since it uses less digits than its factorization.
83869454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49339.
The product of its digits is 829440, while the sum is 47.
The square root of 83869454 is about 9158.0267525270. The cubic root of 83869454 is about 437.7249198857.
The spelling of 83869454 in words is "eighty-three million, eight hundred sixty-nine thousand, four hundred fifty-four".
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