Base | Representation |
---|---|
bin | 100110111110000… |
… | …011001011001100 |
3 | 1200120020111012000 |
4 | 212332003023030 |
5 | 2314333101030 |
6 | 144513112300 |
7 | 22126131600 |
oct | 4676031314 |
9 | 1616214160 |
10 | 653800140 |
11 | 3060647a4 |
12 | 162b58690 |
13 | a55b48b6 |
14 | 62b8d500 |
15 | 3c5e8860 |
hex | 26f832cc |
653800140 has 144 divisors (see below), whose sum is σ = 2366229600. Its totient is φ = 149433984.
The previous prime is 653800111. The next prime is 653800151. The reversal of 653800140 is 41008356.
653800140 is a `hidden beast` number, since 653 + 8 + 0 + 0 + 1 + 4 + 0 = 666.
653800140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14106 + ... + 38814.
It is an arithmetic number, because the mean of its divisors is an integer number (16432150).
Almost surely, 2653800140 is an apocalyptic number.
653800140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 653800140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1183114800).
653800140 is an abundant number, since it is smaller than the sum of its proper divisors (1712429460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
653800140 is a wasteful number, since it uses less digits than its factorization.
653800140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24741 (or 24726 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 653800140 is about 25569.5158342899. The cubic root of 653800140 is about 867.9239440818.
Adding to 653800140 its reverse (41008356), we get a palindrome (694808496).
The spelling of 653800140 in words is "six hundred fifty-three million, eight hundred thousand, one hundred forty".
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