Base | Representation |
---|---|
bin | 1000001101001… |
… | …11101110001110 |
3 | 11210112122210201 |
4 | 10012213232032 |
5 | 120111010210 |
6 | 10455324114 |
7 | 1464111424 |
oct | 406475616 |
9 | 153478721 |
10 | 68844430 |
11 | 35951926 |
12 | 1b08063a |
13 | 11355865 |
14 | 9201114 |
15 | 609d53a |
hex | 41a7b8e |
68844430 has 16 divisors (see below), whose sum is σ = 124868304. Its totient is φ = 27327040.
The previous prime is 68844427. The next prime is 68844439. The reversal of 68844430 is 3444886.
It is a self number, because there is not a number n which added to its sum of digits gives 68844430.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68844439) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24967 + ... + 27586.
It is an arithmetic number, because the mean of its divisors is an integer number (7804269).
Almost surely, 268844430 is an apocalyptic number.
68844430 is a deficient number, since it is larger than the sum of its proper divisors (56023874).
68844430 is a wasteful number, since it uses less digits than its factorization.
68844430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52691.
The product of its (nonzero) digits is 73728, while the sum is 37.
The square root of 68844430 is about 8297.2543651500. The cubic root of 68844430 is about 409.8481095112.
The spelling of 68844430 in words is "sixty-eight million, eight hundred forty-four thousand, four hundred thirty".
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