Base | Representation |
---|---|
bin | 1010000101111… |
… | …11100110011000 |
3 | 12220022201121020 |
4 | 11002333212120 |
5 | 133133431442 |
6 | 12222442440 |
7 | 2045455566 |
oct | 502774630 |
9 | 186281536 |
10 | 84670872 |
11 | 43881530 |
12 | 24433420 |
13 | 14707410 |
14 | b360a36 |
15 | 76779ec |
hex | 50bf998 |
84670872 has 64 divisors (see below), whose sum is σ = 248693760. Its totient is φ = 23683200.
The previous prime is 84670853. The next prime is 84670879. The reversal of 84670872 is 27807648.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (84670879) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8904 + ... + 15767.
It is an arithmetic number, because the mean of its divisors is an integer number (3885840).
Almost surely, 284670872 is an apocalyptic number.
It is an amenable number.
84670872 is an abundant number, since it is smaller than the sum of its proper divisors (164022888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
84670872 is a wasteful number, since it uses less digits than its factorization.
84670872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24704 (or 24700 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 42.
The square root of 84670872 is about 9201.6776731203. The cubic root of 84670872 is about 439.1147352239.
The spelling of 84670872 in words is "eighty-four million, six hundred seventy thousand, eight hundred seventy-two".
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