Base | Representation |
---|---|
bin | 1001100010111… |
… | …00111011101000 |
3 | 12120200002201100 |
4 | 10301130323220 |
5 | 130444304144 |
6 | 11540121400 |
7 | 1661414205 |
oct | 461347350 |
9 | 176602640 |
10 | 80072424 |
11 | 41220663 |
12 | 22996260 |
13 | 13787343 |
14 | a8c4cac |
15 | 706a269 |
hex | 4c5cee8 |
80072424 has 48 divisors (see below), whose sum is σ = 219492000. Its totient is φ = 26367264.
The previous prime is 80072359. The next prime is 80072429. The reversal of 80072424 is 42427008.
It is not an unprimeable number, because it can be changed into a prime (80072429) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 724 + ... + 12675.
It is an arithmetic number, because the mean of its divisors is an integer number (4572750).
Almost surely, 280072424 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80072424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109746000).
80072424 is an abundant number, since it is smaller than the sum of its proper divisors (139419576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80072424 is a wasteful number, since it uses less digits than its factorization.
80072424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13494 (or 13487 counting only the distinct ones).
The product of its (nonzero) digits is 3584, while the sum is 27.
The square root of 80072424 is about 8948.3196187888. The cubic root of 80072424 is about 431.0169261032.
The spelling of 80072424 in words is "eighty million, seventy-two thousand, four hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •