Base | Representation |
---|---|
bin | 111101010011010… |
… | …110001100100110 |
3 | 2122200021021211122 |
4 | 331103112030212 |
5 | 4101242404310 |
6 | 250015533542 |
7 | 34325644205 |
oct | 7523261446 |
9 | 2580237748 |
10 | 1028481830 |
11 | 488607692 |
12 | 24852a2b2 |
13 | 13510013c |
14 | 9a84323c |
15 | 6045a555 |
hex | 3d4d6326 |
1028481830 has 8 divisors (see below), whose sum is σ = 1851267312. Its totient is φ = 411392728.
The previous prime is 1028481821. The next prime is 1028481847. The reversal of 1028481830 is 381848201.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51424082 + ... + 51424101.
It is an arithmetic number, because the mean of its divisors is an integer number (231408414).
Almost surely, 21028481830 is an apocalyptic number.
1028481830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1028481830 is a deficient number, since it is larger than the sum of its proper divisors (822785482).
1028481830 is a wasteful number, since it uses less digits than its factorization.
1028481830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102848190.
The product of its (nonzero) digits is 12288, while the sum is 35.
The square root of 1028481830 is about 32069.9521359169. The cubic root of 1028481830 is about 1009.4052080727.
The spelling of 1028481830 in words is "one billion, twenty-eight million, four hundred eighty-one thousand, eight hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •