Base | Representation |
---|---|
bin | 101000010100100… |
… | …1111100110100001 |
3 | 10111021212222010000 |
4 | 1100221033212201 |
5 | 10232331122324 |
6 | 342131130213 |
7 | 45346134414 |
oct | 12051174641 |
9 | 3437788100 |
10 | 1352989089 |
11 | 6347aa801 |
12 | 319143969 |
13 | 1873cba7a |
14 | cb995b7b |
15 | 7dbaa9c9 |
hex | 50a4f9a1 |
1352989089 has 45 divisors (see below), whose sum is σ = 2085934851. Its totient is φ = 873964080.
The previous prime is 1352989087. The next prime is 1352989103. The reversal of 1352989089 is 9809892531.
The square root of 1352989089 is 36783.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 43996689 + 1308992400 = 6633^2 + 36180^2 .
It is not a de Polignac number, because 1352989089 - 21 = 1352989087 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1352989087) by changing a digit.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 20193834 + ... + 20193900.
Almost surely, 21352989089 is an apocalyptic number.
1352989089 is the 36783-rd square number.
1352989089 is the 18392-nd centered octagonal number.
It is an amenable number.
1352989089 is a deficient number, since it is larger than the sum of its proper divisors (732945762).
1352989089 is an frugal number, since it uses more digits than its factorization.
1352989089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 268 (or 131 counting only the distinct ones).
The product of its (nonzero) digits is 1399680, while the sum is 54.
The cubic root of 1352989089 is about 1106.0245444600.
The spelling of 1352989089 in words is "one billion, three hundred fifty-two million, nine hundred eighty-nine thousand, eighty-nine".
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