Base | Representation |
---|---|
bin | 101111111100100… |
… | …111111101110000 |
3 | 2002001122211211110 |
4 | 233330213331300 |
5 | 3121412441423 |
6 | 211453313320 |
7 | 25635320103 |
oct | 5774477560 |
9 | 2061584743 |
10 | 804421488 |
11 | 383090852 |
12 | 1a5495840 |
13 | ca870560 |
14 | 78b9a73a |
15 | 4a94c193 |
hex | 2ff27f70 |
804421488 has 80 divisors (see below), whose sum is σ = 2315164320. Its totient is φ = 238973952.
The previous prime is 804421447. The next prime is 804421493. The reversal of 804421488 is 884124408.
It is a super-2 number, since 2×8044214882 = 1294187860712268288, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
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, 4131 + ... + 40322.
It is an arithmetic number, because the mean of its divisors is an integer number (28939554).
Almost surely, 2804421488 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 804421488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1157582160).
804421488 is an abundant number, since it is smaller than the sum of its proper divisors (1510742832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
804421488 is a wasteful number, since it uses less digits than its factorization.
804421488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44506 (or 44500 counting only the distinct ones).
The product of its (nonzero) digits is 65536, while the sum is 39.
The square root of 804421488 is about 28362.3251515104. The cubic root of 804421488 is about 930.0248530761.
The spelling of 804421488 in words is "eight hundred four million, four hundred twenty-one thousand, four hundred eighty-eight".
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