Base | Representation |
---|---|
bin | 11111111110010… |
… | …10001111010100 |
3 | 200200200202011020 |
4 | 33333022033110 |
5 | 1022130342002 |
6 | 42340441140 |
7 | 6434535444 |
oct | 1777121724 |
9 | 620622136 |
10 | 268215252 |
11 | 1284450a8 |
12 | 759a91b0 |
13 | 4374c666 |
14 | 2789c124 |
15 | 188312bc |
hex | ffca3d4 |
268215252 has 24 divisors (see below), whose sum is σ = 640391136. Its totient is φ = 87325728.
The previous prime is 268215217. The next prime is 268215263. The reversal of 268215252 is 252512862.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259383 + ... + 260414.
It is an arithmetic number, because the mean of its divisors is an integer number (26682964).
Almost surely, 2268215252 is an apocalyptic number.
It is an amenable number.
268215252 is an abundant number, since it is smaller than the sum of its proper divisors (372175884).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268215252 is a wasteful number, since it uses less digits than its factorization.
268215252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 519847 (or 519845 counting only the distinct ones).
The product of its digits is 19200, while the sum is 33.
The square root of 268215252 is about 16377.2785284980. The cubic root of 268215252 is about 644.9031379094.
The spelling of 268215252 in words is "two hundred sixty-eight million, two hundred fifteen thousand, two hundred fifty-two".
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