Base | Representation |
---|---|
bin | 11000001001011… |
… | …01010111011110 |
3 | 112010011011102220 |
4 | 30010231113132 |
5 | 403323422430 |
6 | 32033330210 |
7 | 5006511552 |
oct | 1404552736 |
9 | 463134386 |
10 | 202560990 |
11 | a4382085 |
12 | 57a06966 |
13 | 32c72b98 |
14 | 1cc8b862 |
15 | 12bb3110 |
hex | c12d5de |
202560990 has 16 divisors (see below), whose sum is σ = 486146448. Its totient is φ = 54016256.
The previous prime is 202560979. The next prime is 202560997. The reversal of 202560990 is 99065202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202560997) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3375987 + ... + 3376046.
It is an arithmetic number, because the mean of its divisors is an integer number (30384153).
Almost surely, 2202560990 is an apocalyptic number.
202560990 is an abundant number, since it is smaller than the sum of its proper divisors (283585458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202560990 is a wasteful number, since it uses less digits than its factorization.
202560990 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6752043.
The product of its (nonzero) digits is 9720, while the sum is 33.
The square root of 202560990 is about 14232.3922795853. The cubic root of 202560990 is about 587.2890952643.
The spelling of 202560990 in words is "two hundred two million, five hundred sixty thousand, nine hundred ninety".
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