Base | Representation |
---|---|
bin | 1001100100101… |
… | …00011100011000 |
3 | 12121002122121200 |
4 | 10302110130120 |
5 | 131024043200 |
6 | 11545034200 |
7 | 1663352130 |
oct | 462243430 |
9 | 177078550 |
10 | 80299800 |
11 | 41366479 |
12 | 22a85960 |
13 | 13836999 |
14 | a943ac0 |
15 | 70b2800 |
hex | 4c94718 |
80299800 has 144 divisors (see below), whose sum is σ = 308246640. Its totient is φ = 18351360.
The previous prime is 80299799. The next prime is 80299819. The reversal of 80299800 is 899208.
It is a super-3 number, since 3×802998003 (a number of 25 digits) contains 333 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
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 35 ways as a sum of consecutive naturals, for example, 9414 + ... + 15786.
Almost surely, 280299800 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 80299800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154123320).
80299800 is an abundant number, since it is smaller than the sum of its proper divisors (227946840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80299800 is a wasteful number, since it uses less digits than its factorization.
80299800 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6402 (or 6390 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 80299800 is about 8961.0155674455. The cubic root of 80299800 is about 431.4245166393.
The spelling of 80299800 in words is "eighty million, two hundred ninety-nine thousand, eight hundred".
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