Base | Representation |
---|---|
bin | 1110111001010101… |
… | …0100110001000000 |
3 | 101022200000021102011 |
4 | 3232111110301000 |
5 | 31142113124423 |
6 | 1500435102304 |
7 | 201042156106 |
oct | 35625246100 |
9 | 11280007364 |
10 | 3998567488 |
11 | 17720a5a33 |
12 | 937141994 |
13 | 4b953c686 |
14 | 29d09dc76 |
15 | 186090b0d |
hex | ee554c40 |
3998567488 has 112 divisors (see below), whose sum is σ = 8452859904. Its totient is φ = 1873797120.
The previous prime is 3998567483. The next prime is 3998567497. The reversal of 3998567488 is 8847658993.
Its product of digits (104509440) is a multiple of the sum of its prime factors (540).
It is not an unprimeable number, because it can be changed into a prime (3998567483) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12774820 + ... + 12775132.
Almost surely, 23998567488 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 3998567488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4226429952).
3998567488 is an abundant number, since it is smaller than the sum of its proper divisors (4454292416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3998567488 is a wasteful number, since it uses less digits than its factorization.
3998567488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 540 (or 530 counting only the distinct ones).
The product of its digits is 104509440, while the sum is 67.
The square root of 3998567488 is about 63234.2271874971. The cubic root of 3998567488 is about 1587.2115317543.
The spelling of 3998567488 in words is "three billion, nine hundred ninety-eight million, five hundred sixty-seven thousand, four hundred eighty-eight".
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