Base | Representation |
---|---|
bin | 1000001001110… |
… | …00001001111000 |
3 | 11202200102221110 |
4 | 10010320021320 |
5 | 120001344243 |
6 | 10441440320 |
7 | 1460166213 |
oct | 404701170 |
9 | 152612843 |
10 | 68387448 |
11 | 3566a558 |
12 | 1aaa00a0 |
13 | 1122585c |
14 | 912277a |
15 | 600ce33 |
hex | 4138278 |
68387448 has 16 divisors (see below), whose sum is σ = 170968680. Its totient is φ = 22795808.
The previous prime is 68387401. The next prime is 68387461. The reversal of 68387448 is 84478386.
It is a junction number, because it is equal to n+sod(n) for n = 68387397 and 68387406.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424715 + ... + 1424762.
Almost surely, 268387448 is an apocalyptic number.
It is an amenable number.
68387448 is an abundant number, since it is smaller than the sum of its proper divisors (102581232).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68387448 is a wasteful number, since it uses less digits than its factorization.
68387448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2849486 (or 2849482 counting only the distinct ones).
The product of its digits is 1032192, while the sum is 48.
The square root of 68387448 is about 8269.6703682795. The cubic root of 68387448 is about 408.9392528586.
The spelling of 68387448 in words is "sixty-eight million, three hundred eighty-seven thousand, four hundred forty-eight".
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