Base | Representation |
---|---|
bin | 10111011011011… |
… | …100011000000000 |
3 | 1000101122000210010 |
4 | 113123130120000 |
5 | 1301111220310 |
6 | 103000504520 |
7 | 12512016624 |
oct | 2733343000 |
9 | 1011560703 |
10 | 393070080 |
11 | 191972407 |
12 | ab77b140 |
13 | 63586260 |
14 | 3a2bd184 |
15 | 24795320 |
hex | 176dc600 |
393070080 has 320 divisors, whose sum is σ = 1407909888. Its totient is φ = 92897280.
The previous prime is 393070061. The next prime is 393070087. The reversal of 393070080 is 80070393.
It is a tau number, because it is divible by the number of its divisors (320).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (393070087) 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 31 ways as a sum of consecutive naturals, for example, 3094977 + ... + 3095103.
Almost surely, 2393070080 is an apocalyptic number.
393070080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 393070080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703954944).
393070080 is an abundant number, since it is smaller than the sum of its proper divisors (1014839808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
393070080 is a wasteful number, since it uses less digits than its factorization.
393070080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197 (or 181 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 393070080 is about 19825.9950569952. The cubic root of 393070080 is about 732.5264808110.
The spelling of 393070080 in words is "three hundred ninety-three million, seventy thousand, eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •