Base | Representation |
---|---|
bin | 101101100111000… |
… | …0001011011110001 |
3 | 10221122201111121202 |
4 | 1123032001123301 |
5 | 11113240340140 |
6 | 411505500545 |
7 | 52632131000 |
oct | 13316013361 |
9 | 3848644552 |
10 | 1530402545 |
11 | 7159660a1 |
12 | 368641755 |
13 | 1b50a8549 |
14 | 107378c37 |
15 | 8e552915 |
hex | 5b3816f1 |
1530402545 has 32 divisors (see below), whose sum is σ = 2149267200. Its totient is φ = 1045699200.
The previous prime is 1530402541. The next prime is 1530402553. The reversal of 1530402545 is 5452040351.
It is not a de Polignac number, because 1530402545 - 22 = 1530402541 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1530402541) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535370 + ... + 538220.
It is an arithmetic number, because the mean of its divisors is an integer number (67164600).
Almost surely, 21530402545 is an apocalyptic number.
It is an amenable number.
1530402545 is a deficient number, since it is larger than the sum of its proper divisors (618864655).
1530402545 is an equidigital number, since it uses as much as digits as its factorization.
1530402545 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3190 (or 3176 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 29.
The square root of 1530402545 is about 39120.3597248287. The cubic root of 1530402545 is about 1152.3964004542.
Adding to 1530402545 its reverse (5452040351), we get a palindrome (6982442896).
The spelling of 1530402545 in words is "one billion, five hundred thirty million, four hundred two thousand, five hundred forty-five".
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