Base | Representation |
---|---|
bin | 1001100110101… |
… | …11100111011100 |
3 | 12121121122001001 |
4 | 10303113213130 |
5 | 131111344230 |
6 | 11555000044 |
7 | 1665606235 |
oct | 463274734 |
9 | 177548031 |
10 | 80574940 |
11 | 41534166 |
12 | 22b99024 |
13 | 13901ca4 |
14 | a9b608c |
15 | 71190ca |
hex | 4cd79dc |
80574940 has 12 divisors (see below), whose sum is σ = 169207416. Its totient is φ = 32229968.
The previous prime is 80574931. The next prime is 80574941. The reversal of 80574940 is 4947508.
It is a zygodrome in base 6.
It is a self number, because there is not a number n which added to its sum of digits gives 80574940.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80574941) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2014354 + ... + 2014393.
It is an arithmetic number, because the mean of its divisors is an integer number (14100618).
Almost surely, 280574940 is an apocalyptic number.
It is an amenable number.
80574940 is an abundant number, since it is smaller than the sum of its proper divisors (88632476).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80574940 is a wasteful number, since it uses less digits than its factorization.
80574940 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4028756 (or 4028754 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 37.
The square root of 80574940 is about 8976.3544938912. The cubic root of 80574940 is about 431.9167006171.
The spelling of 80574940 in words is "eighty million, five hundred seventy-four thousand, nine hundred forty".
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