Base | Representation |
---|---|
bin | 111010111000100… |
… | …011011000000000 |
3 | 2112211220200211002 |
4 | 322320203120000 |
5 | 4010400402423 |
6 | 242010111132 |
7 | 33324020045 |
oct | 7270433000 |
9 | 2484820732 |
10 | 987903488 |
11 | 467711570 |
12 | 236a1b4a8 |
13 | 1298932a0 |
14 | 952bd1cc |
15 | 5bae2228 |
hex | 3ae23600 |
987903488 has 160 divisors (see below), whose sum is σ = 2359348992. Its totient is φ = 407347200.
The previous prime is 987903463. The next prime is 987903509. The reversal of 987903488 is 884309789.
It is a super-2 number, since 2×9879034882 = 1951906603205132288, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7541183 + ... + 7541313.
Almost surely, 2987903488 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 987903488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1179674496).
987903488 is an abundant number, since it is smaller than the sum of its proper divisors (1371445504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
987903488 is a wasteful number, since it uses less digits than its factorization.
987903488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 276 (or 260 counting only the distinct ones).
The product of its (nonzero) digits is 3483648, while the sum is 56.
The square root of 987903488 is about 31430.9320256336. The cubic root of 987903488 is about 995.9514607830.
The spelling of 987903488 in words is "nine hundred eighty-seven million, nine hundred three thousand, four hundred eighty-eight".
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