Base | Representation |
---|---|
bin | 1001011001101… |
… | …01000000100101 |
3 | 12111101112000210 |
4 | 10230311000211 |
5 | 130142012300 |
6 | 11454130033 |
7 | 1645205325 |
oct | 454650045 |
9 | 174345023 |
10 | 78860325 |
11 | 40572a25 |
12 | 224b0919 |
13 | 1345171b |
14 | a68b285 |
15 | 6dcb050 |
hex | 4b35025 |
78860325 has 12 divisors (see below), whose sum is σ = 130382528. Its totient is φ = 42058800.
The previous prime is 78860291. The next prime is 78860329. The reversal of 78860325 is 52306887.
It is not a de Polignac number, because 78860325 - 28 = 78860069 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (78860329) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 525661 + ... + 525810.
Almost surely, 278860325 is an apocalyptic number.
78860325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
78860325 is a deficient number, since it is larger than the sum of its proper divisors (51522203).
78860325 is a wasteful number, since it uses less digits than its factorization.
78860325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1051484 (or 1051479 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 78860325 is about 8880.3336085983. Note that the first 3 decimals coincide. The cubic root of 78860325 is about 428.8310145622.
The spelling of 78860325 in words is "seventy-eight million, eight hundred sixty thousand, three hundred twenty-five".
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