Base | Representation |
---|---|
bin | 1001011001101… |
… | …00111111010101 |
3 | 12111101111220211 |
4 | 10230310333111 |
5 | 130142011440 |
6 | 11454125421 |
7 | 1645205152 |
oct | 454647725 |
9 | 174344824 |
10 | 78860245 |
11 | 40572962 |
12 | 224b0871 |
13 | 13451689 |
14 | a68b229 |
15 | 6dcaeea |
hex | 4b34fd5 |
78860245 has 8 divisors (see below), whose sum is σ = 94682016. Its totient is φ = 63055056.
The previous prime is 78860227. The next prime is 78860267. The reversal of 78860245 is 54206887.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 78860245 - 29 = 78859733 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 78860198 and 78860207.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12154 + ... + 17476.
It is an arithmetic number, because the mean of its divisors is an integer number (11835252).
Almost surely, 278860245 is an apocalyptic number.
It is an amenable number.
78860245 is a deficient number, since it is larger than the sum of its proper divisors (15821771).
78860245 is a wasteful number, since it uses less digits than its factorization.
78860245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8291.
The product of its (nonzero) digits is 107520, while the sum is 40.
The square root of 78860245 is about 8880.3291042618. The cubic root of 78860245 is about 428.8308695527.
The spelling of 78860245 in words is "seventy-eight million, eight hundred sixty thousand, two hundred forty-five".
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