Base | Representation |
---|---|
bin | 101111110001011… |
… | …011101010000000 |
3 | 2001212010210010210 |
4 | 233301123222000 |
5 | 3120140044423 |
6 | 211310354120 |
7 | 25601350134 |
oct | 5761335200 |
9 | 2055123123 |
10 | 801487488 |
11 | 38146745a |
12 | 1a44bb940 |
13 | ca083c69 |
14 | 786353c4 |
15 | 4a56cb93 |
hex | 2fc5ba80 |
801487488 has 128 divisors (see below), whose sum is σ = 2302344000. Its totient is φ = 246177792.
The previous prime is 801487481. The next prime is 801487501. The reversal of 801487488 is 884784108.
It is a happy number.
801487488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (801487481) 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, 268468 + ... + 271436.
Almost surely, 2801487488 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 801487488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1151172000).
801487488 is an abundant number, since it is smaller than the sum of its proper divisors (1500856512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
801487488 is a wasteful number, since it uses less digits than its factorization.
801487488 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3042 (or 3030 counting only the distinct ones).
The product of its (nonzero) digits is 458752, while the sum is 48.
The square root of 801487488 is about 28310.5543569885. The cubic root of 801487488 is about 928.8927694649.
The spelling of 801487488 in words is "eight hundred one million, four hundred eighty-seven thousand, four hundred eighty-eight".
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