Base | Representation |
---|---|
bin | 1001100111000… |
… | …10111100001010 |
3 | 12121200222122220 |
4 | 10303202330022 |
5 | 131114340242 |
6 | 11555554510 |
7 | 1666161405 |
oct | 463427412 |
9 | 177628586 |
10 | 80621322 |
11 | 41565aa1 |
12 | 22bbba36 |
13 | 1391a132 |
14 | a9c8d3c |
15 | 7127bec |
hex | 4ce2f0a |
80621322 has 16 divisors (see below), whose sum is σ = 161372640. Its totient is φ = 26852112.
The previous prime is 80621263. The next prime is 80621329. The reversal of 80621322 is 22312608.
It is a super-2 number, since 2×806213222 = 12999595122055368, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 80621292 and 80621301.
It is not an unprimeable number, because it can be changed into a prime (80621329) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3873 + ... + 13275.
It is an arithmetic number, because the mean of its divisors is an integer number (10085790).
Almost surely, 280621322 is an apocalyptic number.
80621322 is an abundant number, since it is smaller than the sum of its proper divisors (80751318).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80621322 is a wasteful number, since it uses less digits than its factorization.
80621322 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10837.
The product of its (nonzero) digits is 1152, while the sum is 24.
The square root of 80621322 is about 8978.9376877223. The cubic root of 80621322 is about 431.9995606134. Note that the first 3 decimals are identical.
The spelling of 80621322 in words is "eighty million, six hundred twenty-one thousand, three hundred twenty-two".
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