Base | Representation |
---|---|
bin | 1001111100001… |
… | …11111010000100 |
3 | 12210220212022100 |
4 | 10332013322010 |
5 | 132322103210 |
6 | 12135232100 |
7 | 2031560502 |
oct | 476077204 |
9 | 183825270 |
10 | 83394180 |
11 | 4308a311 |
12 | 23b18630 |
13 | 1437b28c |
14 | b10b672 |
15 | 74c45c0 |
hex | 4f87e84 |
83394180 has 72 divisors (see below), whose sum is σ = 267852312. Its totient is φ = 20929536.
The previous prime is 83394151. The next prime is 83394191. The reversal of 83394180 is 8149338.
It can be written as a sum of positive squares in 4 ways, for example, as 17589636 + 65804544 = 4194^2 + 8112^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10567 + ... + 16686.
It is an arithmetic number, because the mean of its divisors is an integer number (3720171).
Almost surely, 283394180 is an apocalyptic number.
It is an amenable number.
83394180 is an abundant number, since it is smaller than the sum of its proper divisors (184458132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83394180 is a wasteful number, since it uses less digits than its factorization.
83394180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27285 (or 27280 counting only the distinct ones).
The product of its (nonzero) digits is 20736, while the sum is 36.
The square root of 83394180 is about 9132.0413928103. The cubic root of 83394180 is about 436.8965154232.
The spelling of 83394180 in words is "eighty-three million, three hundred ninety-four thousand, one hundred eighty".
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