Base | Representation |
---|---|
bin | 1001101001001… |
… | …10100101010000 |
3 | 12122020001201110 |
4 | 10310212211100 |
5 | 131202222014 |
6 | 12005533320 |
7 | 2001424230 |
oct | 464464520 |
9 | 178201643 |
10 | 80898384 |
11 | 41735176 |
12 | 23114240 |
13 | 139b6288 |
14 | aa5bcc0 |
15 | 717ed59 |
hex | 4d26950 |
80898384 has 40 divisors (see below), whose sum is σ = 238843840. Its totient is φ = 23113728.
The previous prime is 80898373. The next prime is 80898439. The reversal of 80898384 is 48389808.
It is a happy number.
It is a super-2 number, since 2×808983842 = 13089097067622912, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120049 + ... + 120720.
It is an arithmetic number, because the mean of its divisors is an integer number (5971096).
Almost surely, 280898384 is an apocalyptic number.
80898384 is a gapful number since it is divisible by the number (84) formed by its first and last digit.
It is an amenable number.
80898384 is an abundant number, since it is smaller than the sum of its proper divisors (157945456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80898384 is a wasteful number, since it uses less digits than its factorization.
80898384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 240787 (or 240781 counting only the distinct ones).
The product of its (nonzero) digits is 442368, while the sum is 48.
The square root of 80898384 is about 8994.3528950114. The cubic root of 80898384 is about 432.4938624988.
The spelling of 80898384 in words is "eighty million, eight hundred ninety-eight thousand, three hundred eighty-four".
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