Base | Representation |
---|---|
bin | 1010000100011… |
… | …11110001100100 |
3 | 12212221202212222 |
4 | 11002033301210 |
5 | 133111144410 |
6 | 12214331512 |
7 | 2044011512 |
oct | 502176144 |
9 | 185852788 |
10 | 84474980 |
11 | 43758337 |
12 | 24359b98 |
13 | 146691c5 |
14 | b30d4b2 |
15 | 7639955 |
hex | 508fc64 |
84474980 has 24 divisors (see below), whose sum is σ = 181173888. Its totient is φ = 33070688.
The previous prime is 84474977. The next prime is 84474991. The reversal of 84474980 is 8947448.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43994 + ... + 45873.
It is an arithmetic number, because the mean of its divisors is an integer number (7548912).
Almost surely, 284474980 is an apocalyptic number.
It is an amenable number.
84474980 is an abundant number, since it is smaller than the sum of its proper divisors (96698908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
84474980 is a wasteful number, since it uses less digits than its factorization.
84474980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 89923 (or 89921 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 44.
The square root of 84474980 is about 9191.0271460811. The cubic root of 84474980 is about 438.7758328202.
The spelling of 84474980 in words is "eighty-four million, four hundred seventy-four thousand, nine hundred eighty".
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