Base | Representation |
---|---|
bin | 1000001101111… |
… | …11110101000111 |
3 | 11210201200020221 |
4 | 10012333311013 |
5 | 120122140200 |
6 | 10501405211 |
7 | 1465002340 |
oct | 406776507 |
9 | 153650227 |
10 | 68943175 |
11 | 35a0a034 |
12 | 1b109807 |
13 | 1138b7a2 |
14 | 92290c7 |
15 | 60bc91a |
hex | 41bfd47 |
68943175 has 12 divisors (see below), whose sum is σ = 97702576. Its totient is φ = 47275200.
The previous prime is 68943151. The next prime is 68943197. The reversal of 68943175 is 57134986.
It is not a de Polignac number, because 68943175 - 29 = 68942663 is a prime.
It is a super-2 number, since 2×689431752 = 9506322758161250, which contains 22 as substring.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196806 + ... + 197155.
Almost surely, 268943175 is an apocalyptic number.
68943175 is a deficient number, since it is larger than the sum of its proper divisors (28759401).
68943175 is a wasteful number, since it uses less digits than its factorization.
68943175 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 393978 (or 393973 counting only the distinct ones).
The product of its digits is 181440, while the sum is 43.
The square root of 68943175 is about 8303.2026953459. The cubic root of 68943175 is about 410.0439671271.
The spelling of 68943175 in words is "sixty-eight million, nine hundred forty-three thousand, one hundred seventy-five".
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