Base | Representation |
---|---|
bin | 1000001011000… |
… | …11001110100011 |
3 | 11210000101221210 |
4 | 10011203032203 |
5 | 120023021000 |
6 | 10445321203 |
7 | 1461532452 |
oct | 405431643 |
9 | 153011853 |
10 | 68563875 |
11 | 35780066 |
12 | 1ab66203 |
13 | 11287c53 |
14 | 916ab99 |
15 | 6045350 |
hex | 41633a3 |
68563875 has 32 divisors (see below), whose sum is σ = 120107520. Its totient is φ = 34639200.
The previous prime is 68563861. The next prime is 68563877. The reversal of 68563875 is 57836586.
It is not a de Polignac number, because 68563875 - 26 = 68563811 is a prime.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (68563877) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2314 + ... + 11936.
It is an arithmetic number, because the mean of its divisors is an integer number (3753360).
Almost surely, 268563875 is an apocalyptic number.
68563875 is a deficient number, since it is larger than the sum of its proper divisors (51543645).
68563875 is a wasteful number, since it uses less digits than its factorization.
68563875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9660 (or 9650 counting only the distinct ones).
The product of its digits is 1209600, while the sum is 48.
The square root of 68563875 is about 8280.3306093416. The cubic root of 68563875 is about 409.2906134941.
It can be divided in two parts, 6856 and 3875, that added together give a triangular number (10731 = T146).
The spelling of 68563875 in words is "sixty-eight million, five hundred sixty-three thousand, eight hundred seventy-five".
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