Base | Representation |
---|---|
bin | 1000001010010… |
… | …00010101001011 |
3 | 11202210210211111 |
4 | 10011020111023 |
5 | 120011004312 |
6 | 10443111151 |
7 | 1460563330 |
oct | 405102513 |
9 | 152723744 |
10 | 68453707 |
11 | 35705313 |
12 | 1ab124b7 |
13 | 11249a6a |
14 | 913c987 |
15 | 60228a7 |
hex | 414854b |
68453707 has 4 divisors (see below), whose sum is σ = 78232816. Its totient is φ = 58674600.
The previous prime is 68453683. The next prime is 68453711. The reversal of 68453707 is 70735486.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70735486 = 2 ⋅35367743.
It is a cyclic number.
It is not a de Polignac number, because 68453707 - 211 = 68451659 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 68453707.
It is not an unprimeable number, because it can be changed into a prime (68453767) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4889544 + ... + 4889557.
It is an arithmetic number, because the mean of its divisors is an integer number (19558204).
Almost surely, 268453707 is an apocalyptic number.
68453707 is a deficient number, since it is larger than the sum of its proper divisors (9779109).
68453707 is an equidigital number, since it uses as much as digits as its factorization.
68453707 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9779108.
The product of its (nonzero) digits is 141120, while the sum is 40.
The square root of 68453707 is about 8273.6755435538. The cubic root of 68453707 is about 409.0712807896.
The spelling of 68453707 in words is "sixty-eight million, four hundred fifty-three thousand, seven hundred seven".
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