Base | Representation |
---|---|
bin | 1001111001110… |
… | …01111110000101 |
3 | 12210022122101222 |
4 | 10330321332011 |
5 | 132231344244 |
6 | 12124330125 |
7 | 2026061006 |
oct | 474717605 |
9 | 183278358 |
10 | 83074949 |
11 | 42991491 |
12 | 239a3945 |
13 | 14298b99 |
14 | b0671ad |
15 | 745ebee |
hex | 4f39f85 |
83074949 has 8 divisors (see below), whose sum is σ = 85233792. Its totient is φ = 80943840.
The previous prime is 83074931. The next prime is 83074961. The reversal of 83074949 is 94947038.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 83074949 - 224 = 66297733 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83074349) 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, 797 + ... + 12914.
It is an arithmetic number, because the mean of its divisors is an integer number (10654224).
Almost surely, 283074949 is an apocalyptic number.
It is an amenable number.
83074949 is a deficient number, since it is larger than the sum of its proper divisors (2158843).
83074949 is a wasteful number, since it uses less digits than its factorization.
83074949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13867.
The product of its (nonzero) digits is 217728, while the sum is 44.
The square root of 83074949 is about 9114.5460117331. The cubic root of 83074949 is about 436.3383259717.
The spelling of 83074949 in words is "eighty-three million, seventy-four thousand, nine hundred forty-nine".
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