Base | Representation |
---|---|
bin | 1000001100011… |
… | …11010110111000 |
3 | 11210100120220111 |
4 | 10012033112320 |
5 | 120044312012 |
6 | 10453234104 |
7 | 1463214445 |
oct | 406172670 |
9 | 153316814 |
10 | 68744632 |
11 | 35893950 |
12 | 1b032934 |
13 | 1131c2c8 |
14 | 91b69cc |
15 | 607dba7 |
hex | 418f5b8 |
68744632 has 32 divisors (see below), whose sum is σ = 141076080. Its totient is φ = 31144960.
The previous prime is 68744629. The next prime is 68744647. The reversal of 68744632 is 23644786.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29958 + ... + 32170.
Almost surely, 268744632 is an apocalyptic number.
It is an amenable number.
68744632 is an abundant number, since it is smaller than the sum of its proper divisors (72331448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68744632 is a wasteful number, since it uses less digits than its factorization.
68744632 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2583 (or 2579 counting only the distinct ones).
The product of its digits is 193536, while the sum is 40.
The square root of 68744632 is about 8291.2382669900. The cubic root of 68744632 is about 409.6499729220.
The spelling of 68744632 in words is "sixty-eight million, seven hundred forty-four thousand, six hundred thirty-two".
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