Base | Representation |
---|---|
bin | 111110011011110… |
… | …001100111000111 |
3 | 2200222222220122011 |
4 | 332123301213013 |
5 | 4121122442422 |
6 | 251534515051 |
7 | 34646222662 |
oct | 7633614707 |
9 | 2628886564 |
10 | 1047468487 |
11 | 4982a563a |
12 | 252965a87 |
13 | 13901a250 |
14 | 9d1866d9 |
15 | 61e5b077 |
hex | 3e6f19c7 |
1047468487 has 16 divisors (see below), whose sum is σ = 1169784000. Its totient is φ = 931279104.
The previous prime is 1047468473. The next prime is 1047468493. The reversal of 1047468487 is 7848647401.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1047468487 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1047468487.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1047468497) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162339 + ... + 168667.
It is an arithmetic number, because the mean of its divisors is an integer number (73111500).
Almost surely, 21047468487 is an apocalyptic number.
1047468487 is a deficient number, since it is larger than the sum of its proper divisors (122315513).
1047468487 is a wasteful number, since it uses less digits than its factorization.
1047468487 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6810.
The product of its (nonzero) digits is 1204224, while the sum is 49.
The square root of 1047468487 is about 32364.6178256441. The cubic root of 1047468487 is about 1015.5788675497.
It can be divided in two parts, 10474 and 68487, that added together give a square (78961 = 2812).
The spelling of 1047468487 in words is "one billion, forty-seven million, four hundred sixty-eight thousand, four hundred eighty-seven".
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