Base | Representation |
---|---|
bin | 111110101110100… |
… | …101110101101101 |
3 | 2201100021111210000 |
4 | 332232211311231 |
5 | 4123403313010 |
6 | 252232334513 |
7 | 35036155335 |
oct | 7656456555 |
9 | 2640244700 |
10 | 1052401005 |
11 | 4a00644a7 |
12 | 254544439 |
13 | 13a0563b6 |
14 | 9daac0c5 |
15 | 625d27c0 |
hex | 3eba5d6d |
1052401005 has 20 divisors (see below), whose sum is σ = 1886526972. Its totient is φ = 561280320.
The previous prime is 1052401003. The next prime is 1052401061. The reversal of 1052401005 is 5001042501.
It can be written as a sum of positive squares in 2 ways, for example, as 166564836 + 885836169 = 12906^2 + 29763^2 .
It is not a de Polignac number, because 1052401005 - 21 = 1052401003 is a prime.
It is a super-2 number, since 2×10524010052 = 2215095750650020050, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1052401003) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1298856 + ... + 1299665.
Almost surely, 21052401005 is an apocalyptic number.
1052401005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1052401005 is a deficient number, since it is larger than the sum of its proper divisors (834125967).
1052401005 is an equidigital number, since it uses as much as digits as its factorization.
1052401005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2598538 (or 2598529 counting only the distinct ones).
The product of its (nonzero) digits is 200, while the sum is 18.
The square root of 1052401005 is about 32440.7306483686. The cubic root of 1052401005 is about 1017.1704885558.
Adding to 1052401005 its reverse (5001042501), we get a palindrome (6053443506).
The spelling of 1052401005 in words is "one billion, fifty-two million, four hundred one thousand, five".
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