Base | Representation |
---|---|
bin | 101101111001010… |
… | …1000100110010011 |
3 | 10222022210010001111 |
4 | 1123302220212103 |
5 | 11123220001042 |
6 | 412451314151 |
7 | 53106533230 |
oct | 13362504623 |
9 | 3868703044 |
10 | 1540000147 |
11 | 7203209a4 |
12 | 36b8ab957 |
13 | 1b7088bba |
14 | 108756787 |
15 | 902eb517 |
hex | 5bca8993 |
1540000147 has 8 divisors (see below), whose sum is σ = 1764012800. Its totient is φ = 1316990664.
The previous prime is 1540000061. The next prime is 1540000157. The reversal of 1540000147 is 7410000451.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1540000147 - 215 = 1539967379 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1540000157) 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, 247497 + ... + 253642.
It is an arithmetic number, because the mean of its divisors is an integer number (220501600).
Almost surely, 21540000147 is an apocalyptic number.
1540000147 is a deficient number, since it is larger than the sum of its proper divisors (224012653).
1540000147 is an equidigital number, since it uses as much as digits as its factorization.
1540000147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 501585.
The product of its (nonzero) digits is 560, while the sum is 22.
The square root of 1540000147 is about 39242.8356136506. The cubic root of 1540000147 is about 1154.8003870352.
Adding to 1540000147 its reverse (7410000451), we get a palindrome (8950000598).
The spelling of 1540000147 in words is "one billion, five hundred forty million, one hundred forty-seven", and thus it is an aban number.
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