Base | Representation |
---|---|
bin | 1000001100001… |
… | …11000000101110 |
3 | 11210021212000100 |
4 | 10012013000232 |
5 | 120042213241 |
6 | 10452411530 |
7 | 1463013000 |
oct | 406070056 |
9 | 153255010 |
10 | 68710446 |
11 | 358701a2 |
12 | 1b016ba6 |
13 | 1130988c |
14 | 91a8370 |
15 | 60739b6 |
hex | 418702e |
68710446 has 96 divisors (see below), whose sum is σ = 179712000. Its totient is φ = 18945360.
The previous prime is 68710427. The next prime is 68710457. The reversal of 68710446 is 64401786.
It is a super-2 number, since 2×687104462 = 9442250779037832, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 68710446.
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, 191215 + ... + 191573.
It is an arithmetic number, because the mean of its divisors is an integer number (1872000).
Almost surely, 268710446 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68710446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89856000).
68710446 is an abundant number, since it is smaller than the sum of its proper divisors (111001554).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68710446 is a wasteful number, since it uses less digits than its factorization.
68710446 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 419 (or 402 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 68710446 is about 8289.1764367759. The cubic root of 68710446 is about 409.5820567536.
The spelling of 68710446 in words is "sixty-eight million, seven hundred ten thousand, four hundred forty-six".
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