Base | Representation |
---|---|
bin | 110101001111011… |
… | …101011101101010 |
3 | 2022020210120011220 |
4 | 311033131131222 |
5 | 3312132322130 |
6 | 224345202510 |
7 | 31064313450 |
oct | 6517353552 |
9 | 2266716156 |
10 | 893245290 |
11 | 419239453 |
12 | 20b190436 |
13 | 1130a0012 |
14 | 868bc9d0 |
15 | 53645410 |
hex | 353dd76a |
893245290 has 128 divisors (see below), whose sum is σ = 2593658880. Its totient is φ = 192326400.
The previous prime is 893245289. The next prime is 893245291. The reversal of 893245290 is 92542398.
It is an interprime number because it is at equal distance from previous prime (893245289) and next prime (893245291).
It is a Harshad number since it is a multiple of its sum of digits (42).
It is not an unprimeable number, because it can be changed into a prime (893245291) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 841360 + ... + 842420.
It is an arithmetic number, because the mean of its divisors is an integer number (20262960).
Almost surely, 2893245290 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 893245290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296829440).
893245290 is an abundant number, since it is smaller than the sum of its proper divisors (1700413590).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
893245290 is a wasteful number, since it uses less digits than its factorization.
893245290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1308.
The product of its (nonzero) digits is 155520, while the sum is 42.
The square root of 893245290 is about 29887.2094716118. The cubic root of 893245290 is about 963.0679088463.
The spelling of 893245290 in words is "eight hundred ninety-three million, two hundred forty-five thousand, two hundred ninety".
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