Base | Representation |
---|---|
bin | 1000001101101… |
… | …01011010110111 |
3 | 11210122111202200 |
4 | 10012311122313 |
5 | 120114304120 |
6 | 10500435543 |
7 | 1464434124 |
oct | 406653267 |
9 | 153574680 |
10 | 68900535 |
11 | 3598aaa0 |
12 | 1b0a8bb3 |
13 | 11375262 |
14 | 921774b |
15 | 60aee90 |
hex | 41b56b7 |
68900535 has 48 divisors (see below), whose sum is σ = 131582880. Its totient is φ = 33073920.
The previous prime is 68900527. The next prime is 68900567. The reversal of 68900535 is 53500986.
It is not a de Polignac number, because 68900535 - 23 = 68900527 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 68900535.
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, 53317 + ... + 54593.
It is an arithmetic number, because the mean of its divisors is an integer number (2741310).
Almost surely, 268900535 is an apocalyptic number.
68900535 is a deficient number, since it is larger than the sum of its proper divisors (62682345).
68900535 is a wasteful number, since it uses less digits than its factorization.
68900535 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1408 (or 1405 counting only the distinct ones).
The product of its (nonzero) digits is 32400, while the sum is 36.
The square root of 68900535 is about 8300.6346142931. The cubic root of 68900535 is about 409.9594149793.
The spelling of 68900535 in words is "sixty-eight million, nine hundred thousand, five hundred thirty-five".
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