Base | Representation |
---|---|
bin | 100000000001010… |
… | …0001001011000011 |
3 | 2202212200021110012 |
4 | 1000002201023003 |
5 | 4200021330422 |
6 | 254340055135 |
7 | 35424160211 |
oct | 10002411303 |
9 | 2685607405 |
10 | 1074401987 |
11 | 50152112a |
12 | 25b9944ab |
13 | 14178a529 |
14 | a2997cb1 |
15 | 644cb4e2 |
hex | 400a12c3 |
1074401987 has 4 divisors (see below), whose sum is σ = 1130949480. Its totient is φ = 1017854496.
The previous prime is 1074401957. The next prime is 1074402031. The reversal of 1074401987 is 7891044701.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1074401987 - 210 = 1074400963 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1074401927) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28273718 + ... + 28273755.
It is an arithmetic number, because the mean of its divisors is an integer number (282737370).
Almost surely, 21074401987 is an apocalyptic number.
1074401987 is a deficient number, since it is larger than the sum of its proper divisors (56547493).
1074401987 is an equidigital number, since it uses as much as digits as its factorization.
1074401987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 56547492.
The product of its (nonzero) digits is 56448, while the sum is 41.
The square root of 1074401987 is about 32778.0717401131. The cubic root of 1074401987 is about 1024.2098171715.
The spelling of 1074401987 in words is "one billion, seventy-four million, four hundred one thousand, nine hundred eighty-seven".
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