| Base | Representation |
|---|---|
| bin | 100010011100101… |
| … | …1011001101000000 |
| 3 | 2222120001000122010 |
| 4 | 1010321123031000 |
| 5 | 4331402414240 |
| 6 | 310411012520 |
| 7 | 40434011304 |
| oct | 10471331500 |
| 9 | 2876030563 |
| 10 | 1155904320 |
| 11 | 54352902a |
| 12 | 28313a140 |
| 13 | 15562566c |
| 14 | ad731d04 |
| 15 | 6b72a280 |
| hex | 44e5b340 |
1155904320 has 112 divisors (see below), whose sum is σ = 3677643648. Its totient is φ = 307599360.
The previous prime is 1155904319. The next prime is 1155904327. The reversal of 1155904320 is 234095511.
It is a super-2 number, since 2×11559043202 = 2672229593989324800, which contains 22 as substring.
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 (1155904327) 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 15 ways as a sum of consecutive naturals, for example, 620190 + ... + 622050.
It is an arithmetic number, because the mean of its divisors is an integer number (32836104).
Almost surely, 21155904320 is an apocalyptic number.
1155904320 is a gapful number since it is divisible by the number (10) 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 1155904320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1838821824).
1155904320 is an abundant number, since it is smaller than the sum of its proper divisors (2521739328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1155904320 is a wasteful number, since it uses less digits than its factorization.
1155904320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2528 (or 2518 counting only the distinct ones).
The product of its (nonzero) digits is 5400, while the sum is 30.
The square root of 1155904320 is about 33998.5929120603. The cubic root of 1155904320 is about 1049.4795062018.
Adding to 1155904320 its reverse (234095511), we get a palindrome (1389999831).
The spelling of 1155904320 in words is "one billion, one hundred fifty-five million, nine hundred four thousand, three hundred twenty".
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