Base | Representation |
---|---|
bin | 1000001010011… |
… | …00111111010100 |
3 | 11202211210000012 |
4 | 10011030333110 |
5 | 120012112123 |
6 | 10443335352 |
7 | 1461003056 |
oct | 405147724 |
9 | 152753005 |
10 | 68472788 |
11 | 3571868a |
12 | 1ab21558 |
13 | 11255657 |
14 | 91458d6 |
15 | 6028378 |
hex | 414cfd4 |
68472788 has 24 divisors (see below), whose sum is σ = 123197760. Its totient is φ = 33279680.
The previous prime is 68472779. The next prime is 68472797. The reversal of 68472788 is 88727486.
It is an interprime number because it is at equal distance from previous prime (68472779) and next prime (68472797).
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, 58295 + ... + 59457.
It is an arithmetic number, because the mean of its divisors is an integer number (5133240).
Almost surely, 268472788 is an apocalyptic number.
It is an amenable number.
68472788 is a deficient number, since it is larger than the sum of its proper divisors (54724972).
68472788 is a wasteful number, since it uses less digits than its factorization.
68472788 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1567 (or 1565 counting only the distinct ones).
The product of its digits is 1204224, while the sum is 50.
The square root of 68472788 is about 8274.8285782849. The cubic root of 68472788 is about 409.1092858606.
The spelling of 68472788 in words is "sixty-eight million, four hundred seventy-two thousand, seven hundred eighty-eight".
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