Base | Representation |
---|---|
bin | 1000001110011… |
… | …00100110110110 |
3 | 11210211100001021 |
4 | 10013030212312 |
5 | 120130324020 |
6 | 10502451354 |
7 | 1465311043 |
oct | 407144666 |
9 | 153740037 |
10 | 68995510 |
11 | 35a45391 |
12 | 1b133b5a |
13 | 113a955c |
14 | 92401ca |
15 | 60cd1aa |
hex | 41cc9b6 |
68995510 has 8 divisors (see below), whose sum is σ = 124191936. Its totient is φ = 27598200.
The previous prime is 68995501. The next prime is 68995513. The reversal of 68995510 is 1559986.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68995513) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 3449766 + ... + 3449785.
It is an arithmetic number, because the mean of its divisors is an integer number (15523992).
Almost surely, 268995510 is an apocalyptic number.
68995510 is a deficient number, since it is larger than the sum of its proper divisors (55196426).
68995510 is a wasteful number, since it uses less digits than its factorization.
68995510 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6899558.
The product of its (nonzero) digits is 97200, while the sum is 43.
The square root of 68995510 is about 8306.3535922810. The cubic root of 68995510 is about 410.1476961439.
The spelling of 68995510 in words is "sixty-eight million, nine hundred ninety-five thousand, five hundred ten".
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