Base | Representation |
---|---|
bin | 1001101001101… |
… | …11101000011100 |
3 | 12122100121111222 |
4 | 10310313220130 |
5 | 131211440340 |
6 | 12011232512 |
7 | 2002134644 |
oct | 464675034 |
9 | 178317458 |
10 | 80968220 |
11 | 41782693 |
12 | 23148738 |
13 | 13a0bcb8 |
14 | aa79524 |
15 | 71958b5 |
hex | 4d37a1c |
80968220 has 24 divisors (see below), whose sum is σ = 170344944. Its totient is φ = 32327936.
The previous prime is 80968219. The next prime is 80968241. The reversal of 80968220 is 2286908.
It is a congruent number.
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, 8447 + ... + 15273.
It is an arithmetic number, because the mean of its divisors is an integer number (7097706).
Almost surely, 280968220 is an apocalyptic number.
It is an amenable number.
80968220 is an abundant number, since it is smaller than the sum of its proper divisors (89376724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80968220 is a wasteful number, since it uses less digits than its factorization.
80968220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7429 (or 7427 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 35.
The square root of 80968220 is about 8998.2342712334. The cubic root of 80968220 is about 432.6182776515.
The spelling of 80968220 in words is "eighty million, nine hundred sixty-eight thousand, two hundred twenty".
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