Base | Representation |
---|---|
bin | 101101101000100… |
… | …1110111001001001 |
3 | 10221201022021000122 |
4 | 1123101032321021 |
5 | 11113444302410 |
6 | 411535513025 |
7 | 52642234346 |
oct | 13321167111 |
9 | 3851267018 |
10 | 1531244105 |
11 | 7163903a6 |
12 | 368988775 |
13 | 1b5311601 |
14 | 1075177cd |
15 | 8e66be55 |
hex | 5b44ee49 |
1531244105 has 8 divisors (see below), whose sum is σ = 1934203200. Its totient is φ = 1160521776.
The previous prime is 1531244093. The next prime is 1531244137. The reversal of 1531244105 is 5014421351.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1531244105 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8059085 + ... + 8059274.
It is an arithmetic number, because the mean of its divisors is an integer number (241775400).
Almost surely, 21531244105 is an apocalyptic number.
It is an amenable number.
1531244105 is a deficient number, since it is larger than the sum of its proper divisors (402959095).
1531244105 is a wasteful number, since it uses less digits than its factorization.
1531244105 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16118383.
The product of its (nonzero) digits is 2400, while the sum is 26.
The square root of 1531244105 is about 39131.1142826268. The cubic root of 1531244105 is about 1152.6075939095.
Adding to 1531244105 its reverse (5014421351), we get a palindrome (6545665456).
The spelling of 1531244105 in words is "one billion, five hundred thirty-one million, two hundred forty-four thousand, one hundred five".
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