Base | Representation |
---|---|
bin | 100001001111100… |
… | …0000001011000110 |
3 | 2212201212101021220 |
4 | 1002133000023012 |
5 | 4241022022210 |
6 | 302403221210 |
7 | 36432641232 |
oct | 10237001306 |
9 | 2781771256 |
10 | 1115423430 |
11 | 52269a150 |
12 | 271677806 |
13 | 14a120c84 |
14 | a81d55c2 |
15 | 67dd0c70 |
hex | 427c02c6 |
1115423430 has 64 divisors (see below), whose sum is σ = 2968310016. Its totient is φ = 265968000.
The previous prime is 1115423401. The next prime is 1115423459. The reversal of 1115423430 is 343245111.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (1115423401) and next prime (1115423459).
It is a self number, because there is not a number n which added to its sum of digits gives 1115423430.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7576 + ... + 47835.
It is an arithmetic number, because the mean of its divisors is an integer number (46379844).
Almost surely, 21115423430 is an apocalyptic number.
1115423430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1115423430 is an abundant number, since it is smaller than the sum of its proper divisors (1852886586).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1115423430 is a wasteful number, since it uses less digits than its factorization.
1115423430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55493.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 1115423430 is about 33397.9554763462. The cubic root of 1115423430 is about 1037.0823766504.
Adding to 1115423430 its reverse (343245111), we get a palindrome (1458668541).
The spelling of 1115423430 in words is "one billion, one hundred fifteen million, four hundred twenty-three thousand, four hundred thirty".
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