Base | Representation |
---|---|
bin | 111010111000011… |
… | …011100011010010 |
3 | 2112211212001212012 |
4 | 322320123203102 |
5 | 4010343341232 |
6 | 242005302522 |
7 | 33323524445 |
oct | 7270334322 |
9 | 2484761765 |
10 | 987871442 |
11 | 46769a488 |
12 | 236a04a42 |
13 | 12988181c |
14 | 952b165c |
15 | 5bad79b2 |
hex | 3ae1b8d2 |
987871442 has 8 divisors (see below), whose sum is σ = 1482108300. Its totient is φ = 493835344.
The previous prime is 987871433. The next prime is 987871453. The reversal of 987871442 is 244178789.
It can be written as a sum of positive squares in 2 ways, for example, as 987782041 + 89401 = 31429^2 + 299^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37217 + ... + 57972.
Almost surely, 2987871442 is an apocalyptic number.
987871442 is a deficient number, since it is larger than the sum of its proper divisors (494236858).
987871442 is a wasteful number, since it uses less digits than its factorization.
987871442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100380.
The product of its digits is 903168, while the sum is 50.
The square root of 987871442 is about 31430.4222370620. The cubic root of 987871442 is about 995.9406916454.
The spelling of 987871442 in words is "nine hundred eighty-seven million, eight hundred seventy-one thousand, four hundred forty-two".
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