Base | Representation |
---|---|
bin | 1000001110011… |
… | …00101110000110 |
3 | 11210211100200110 |
4 | 10013030232012 |
5 | 120130332344 |
6 | 10502453450 |
7 | 1465312305 |
oct | 407145606 |
9 | 153740613 |
10 | 68995974 |
11 | 35a45773 |
12 | 1b134286 |
13 | 113a9828 |
14 | 924043c |
15 | 60cd3b9 |
hex | 41ccb86 |
68995974 has 8 divisors (see below), whose sum is σ = 137991960. Its totient is φ = 22998656.
The previous prime is 68995967. The next prime is 68995999. The reversal of 68995974 is 47959986.
It is a sphenic number, since it is the product of 3 distinct primes.
68995974 is an admirable number.
It is a Curzon number.
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, 5749659 + ... + 5749670.
It is an arithmetic number, because the mean of its divisors is an integer number (17248995).
Almost surely, 268995974 is an apocalyptic number.
68995974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68995974 is a wasteful number, since it uses less digits than its factorization.
68995974 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11499334.
The product of its digits is 4898880, while the sum is 57.
The square root of 68995974 is about 8306.3815226608. The cubic root of 68995974 is about 410.1486155666.
The spelling of 68995974 in words is "sixty-eight million, nine hundred ninety-five thousand, nine hundred seventy-four".
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