Base | Representation |
---|---|
bin | 11000000110111… |
… | …00110000111000 |
3 | 112002112101120010 |
4 | 30003130300320 |
5 | 403232341330 |
6 | 32022301520 |
7 | 5003635200 |
oct | 1403346070 |
9 | 462471503 |
10 | 202230840 |
11 | a4177029 |
12 | 578878a0 |
13 | 32b88826 |
14 | 1cc03400 |
15 | 12b4a3b0 |
hex | c0dcc38 |
202230840 has 192 divisors, whose sum is σ = 713439360. Its totient is φ = 45722880.
The previous prime is 202230797. The next prime is 202230869. The reversal of 202230840 is 48032202.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
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, 958335 + ... + 958545.
It is an arithmetic number, because the mean of its divisors is an integer number (3715830).
Almost surely, 2202230840 is an apocalyptic number.
202230840 is a gapful number since it is divisible by the number (20) 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 202230840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356719680).
202230840 is an abundant number, since it is smaller than the sum of its proper divisors (511208520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202230840 is a wasteful number, since it uses less digits than its factorization.
202230840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 402 (or 391 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 202230840 is about 14220.7890076465. The cubic root of 202230840 is about 586.9698516112.
The spelling of 202230840 in words is "two hundred two million, two hundred thirty thousand, eight hundred forty".
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