Base | Representation |
---|---|
bin | 1111100010011… |
… | …01011001100010 |
3 | 100002020222111002 |
4 | 13301031121202 |
5 | 231331343300 |
6 | 20533352002 |
7 | 3141606212 |
oct | 761153142 |
9 | 302228432 |
10 | 130340450 |
11 | 67634789 |
12 | 37798602 |
13 | 21007736 |
14 | 1344c242 |
15 | b6995d5 |
hex | 7c4d662 |
130340450 has 12 divisors (see below), whose sum is σ = 242433330. Its totient is φ = 52136160.
The previous prime is 130340443. The next prime is 130340459. The reversal of 130340450 is 54043031.
It can be written as a sum of positive squares in 3 ways, for example, as 59089969 + 71250481 = 7687^2 + 8441^2 .
It is not an unprimeable number, because it can be changed into a prime (130340459) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1303355 + ... + 1303454.
Almost surely, 2130340450 is an apocalyptic number.
130340450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
130340450 is a deficient number, since it is larger than the sum of its proper divisors (112092880).
130340450 is a wasteful number, since it uses less digits than its factorization.
130340450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2606821 (or 2606816 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
The square root of 130340450 is about 11416.6742092433. The cubic root of 130340450 is about 507.0215345384.
Adding to 130340450 its reverse (54043031), we get a palindrome (184383481).
The spelling of 130340450 in words is "one hundred thirty million, three hundred forty thousand, four hundred fifty".
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