Base | Representation |
---|---|
bin | 111011011100110110111 |
3 | 10122222021101 |
4 | 13123212313 |
5 | 444314322 |
6 | 105430531 |
7 | 22362361 |
oct | 7334667 |
9 | 3588241 |
10 | 1948087 |
11 | 1110699 |
12 | 79b447 |
13 | 53291b |
14 | 389d31 |
15 | 287327 |
hex | 1db9b7 |
1948087 has 6 divisors (see below), whose sum is σ = 2003568. Its totient is φ = 1894104.
The previous prime is 1948073. The next prime is 1948091. The reversal of 1948087 is 7808491.
It is a de Polignac number, because none of the positive numbers 2k-1948087 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1948097) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 658 + ... + 2080.
It is an arithmetic number, because the mean of its divisors is an integer number (333928).
21948087 is an apocalyptic number.
1948087 is a deficient number, since it is larger than the sum of its proper divisors (55481).
1948087 is an equidigital number, since it uses as much as digits as its factorization.
1948087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1497 (or 1460 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 37.
The square root of 1948087 is about 1395.7388724256. The cubic root of 1948087 is about 124.8924301230.
It can be divided in two parts, 194 and 8087, that added together give a square (8281 = 912).
The spelling of 1948087 in words is "one million, nine hundred forty-eight thousand, eighty-seven".
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