| Base | Representation |
|---|---|
| bin | 110101010000111… |
| … | …001000110100100 |
| 3 | 2022021111122001220 |
| 4 | 311100321012210 |
| 5 | 3312231330034 |
| 6 | 224401220340 |
| 7 | 31100436000 |
| oct | 6520710644 |
| 9 | 2267448056 |
| 10 | 893620644 |
| 11 | 419475464 |
| 12 | 20b3316b0 |
| 13 | 1131a1b17 |
| 14 | 86979700 |
| 15 | 536bb749 |
| hex | 354391a4 |
893620644 has 96 divisors (see below), whose sum is σ = 2446080000. Its totient is φ = 253804320.
The previous prime is 893620643. The next prime is 893620661. The reversal of 893620644 is 446026398.
It is a happy number.
It is a hoax number, since the sum of its digits (42) 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 (42).
It is a junction number, because it is equal to n+sod(n) for n = 893620596 and 893620605.
It is not an unprimeable number, because it can be changed into a prime (893620643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 818539 + ... + 819629.
It is an arithmetic number, because the mean of its divisors is an integer number (25480000).
Almost surely, 2893620644 is an apocalyptic number.
893620644 is a gapful number since it is divisible by the number (84) 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 893620644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1223040000).
893620644 is an abundant number, since it is smaller than the sum of its proper divisors (1552459356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
893620644 is a wasteful number, since it uses less digits than its factorization.
893620644 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1318 (or 1302 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 42.
The square root of 893620644 is about 29893.4883210374. The cubic root of 893620644 is about 963.2027880981.
The spelling of 893620644 in words is "eight hundred ninety-three million, six hundred twenty thousand, six hundred forty-four".
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