Base | Representation |
---|---|
bin | 101000000110000… |
… | …0111001101110000 |
3 | 10110202111222202121 |
4 | 1100030013031300 |
5 | 10223402240220 |
6 | 341255324024 |
7 | 45224210446 |
oct | 12014071560 |
9 | 3422458677 |
10 | 1345352560 |
11 | 630464322 |
12 | 316680614 |
13 | 185956c06 |
14 | ca968b96 |
15 | 7d19ceaa |
hex | 50307370 |
1345352560 has 80 divisors (see below), whose sum is σ = 3265585632. Its totient is φ = 514944000.
The previous prime is 1345352549. The next prime is 1345352573. The reversal of 1345352560 is 652535431.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176835 + ... + 184285.
Almost surely, 21345352560 is an apocalyptic number.
1345352560 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 1345352560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632792816).
1345352560 is an abundant number, since it is smaller than the sum of its proper divisors (1920233072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1345352560 is a wasteful number, since it uses less digits than its factorization.
1345352560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7562 (or 7556 counting only the distinct ones).
The product of its (nonzero) digits is 54000, while the sum is 34.
The square root of 1345352560 is about 36679.0479701968. The cubic root of 1345352560 is about 1103.9397458889.
Adding to 1345352560 its reverse (652535431), we get a palindrome (1997887991).
The spelling of 1345352560 in words is "one billion, three hundred forty-five million, three hundred fifty-two thousand, five hundred sixty".
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