Base | Representation |
---|---|
bin | 101101100110111… |
… | …0011011001001101 |
3 | 10221122121120201211 |
4 | 1123031303121031 |
5 | 11113232020122 |
6 | 411504334421 |
7 | 52631501224 |
oct | 13315633115 |
9 | 3848546654 |
10 | 1530345037 |
11 | 715926971 |
12 | 368614411 |
13 | 1b5088310 |
14 | 107361cbb |
15 | 8e540877 |
hex | 5b37364d |
1530345037 has 8 divisors (see below), whose sum is σ = 1648786104. Its totient is φ = 1412007168.
The previous prime is 1530345029. The next prime is 1530345077. The reversal of 1530345037 is 7305430351.
It can be written as a sum of positive squares in 4 ways, for example, as 10982596 + 1519362441 = 3314^2 + 38979^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1530345037 - 23 = 1530345029 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1530345007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6513 + ... + 55705.
It is an arithmetic number, because the mean of its divisors is an integer number (206098263).
Almost surely, 21530345037 is an apocalyptic number.
It is an amenable number.
1530345037 is a deficient number, since it is larger than the sum of its proper divisors (118441067).
1530345037 is a wasteful number, since it uses less digits than its factorization.
1530345037 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51599.
The product of its (nonzero) digits is 18900, while the sum is 31.
The square root of 1530345037 is about 39119.6247042325. The cubic root of 1530345037 is about 1152.3819657242.
Adding to 1530345037 its reverse (7305430351), we get a palindrome (8835775388).
The spelling of 1530345037 in words is "one billion, five hundred thirty million, three hundred forty-five thousand, thirty-seven".
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