Base | Representation |
---|---|
bin | 11111111101000… |
… | …00110100110100 |
3 | 200200101010110120 |
4 | 33332200310310 |
5 | 1022104424440 |
6 | 42333051540 |
7 | 6433231053 |
oct | 1776406464 |
9 | 620333416 |
10 | 268045620 |
11 | 128339707 |
12 | 75926bb0 |
13 | 436c039b |
14 | 2785639a |
15 | 187eadd0 |
hex | ffa0d34 |
268045620 has 48 divisors (see below), whose sum is σ = 751285248. Its totient is φ = 71406720.
The previous prime is 268045607. The next prime is 268045621. The reversal of 268045620 is 26540862.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268045621) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86742 + ... + 89778.
It is an arithmetic number, because the mean of its divisors is an integer number (15651776).
Almost surely, 2268045620 is an apocalyptic number.
268045620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
268045620 is an abundant number, since it is smaller than the sum of its proper divisors (483239628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268045620 is a wasteful number, since it uses less digits than its factorization.
268045620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4520 (or 4518 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 33.
The square root of 268045620 is about 16372.0988269678. The cubic root of 268045620 is about 644.7671534978.
The spelling of 268045620 in words is "two hundred sixty-eight million, forty-five thousand, six hundred twenty".
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