Base | Representation |
---|---|
bin | 11111111100110… |
… | …10101111011001 |
3 | 200200022212021111 |
4 | 33332122233121 |
5 | 1022103130242 |
6 | 42332340321 |
7 | 6433065310 |
oct | 1776325731 |
9 | 620285244 |
10 | 268020697 |
11 | 128321a0a |
12 | 759146a1 |
13 | 436b1c39 |
14 | 2784b277 |
15 | 187e3817 |
hex | ff9abd9 |
268020697 has 16 divisors (see below), whose sum is σ = 317635200. Its totient is φ = 221276160.
The previous prime is 268020671. The next prime is 268020757. The reversal of 268020697 is 796020862.
It is not a de Polignac number, because 268020697 - 219 = 267496409 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (268020617) 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, 98329 + ... + 101017.
It is an arithmetic number, because the mean of its divisors is an integer number (19852200).
Almost surely, 2268020697 is an apocalyptic number.
It is an amenable number.
268020697 is a deficient number, since it is larger than the sum of its proper divisors (49614503).
268020697 is a wasteful number, since it uses less digits than its factorization.
268020697 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3216.
The product of its (nonzero) digits is 72576, while the sum is 40.
The square root of 268020697 is about 16371.3376667883. The cubic root of 268020697 is about 644.7471693003.
The spelling of 268020697 in words is "two hundred sixty-eight million, twenty thousand, six hundred ninety-seven".
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