Base | Representation |
---|---|
bin | 1001100011001… |
… | …01111110110100 |
3 | 12120201222120020 |
4 | 10301211332310 |
5 | 131002000432 |
6 | 11541005140 |
7 | 1661630241 |
oct | 461457664 |
9 | 176658506 |
10 | 80109492 |
11 | 412464a1 |
12 | 229b37b0 |
13 | 1379b188 |
14 | a8d45c8 |
15 | 707622c |
hex | 4c65fb4 |
80109492 has 24 divisors (see below), whose sum is σ = 190092000. Its totient is φ = 26250336.
The previous prime is 80109427. The next prime is 80109503. The reversal of 80109492 is 29490108.
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, 55867 + ... + 57282.
It is an arithmetic number, because the mean of its divisors is an integer number (7920500).
Almost surely, 280109492 is an apocalyptic number.
It is an amenable number.
80109492 is an abundant number, since it is smaller than the sum of its proper divisors (109982508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80109492 is a wasteful number, since it uses less digits than its factorization.
80109492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 113215 (or 113213 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 33.
The square root of 80109492 is about 8950.3906060015. The cubic root of 80109492 is about 431.0834261950.
It can be divided in two parts, 80109 and 492, that added together give a triangular number (80601 = T401).
The spelling of 80109492 in words is "eighty million, one hundred nine thousand, four hundred ninety-two".
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