Base | Representation |
---|---|
bin | 1001011000101… |
… | …01010100010010 |
3 | 12111010220221222 |
4 | 10230111110102 |
5 | 130123334024 |
6 | 11451245042 |
7 | 1644125012 |
oct | 454252422 |
9 | 174126858 |
10 | 78730514 |
11 | 40494445 |
12 | 22449782 |
13 | 13407605 |
14 | a655c42 |
15 | 6da285e |
hex | 4b15512 |
78730514 has 8 divisors (see below), whose sum is σ = 121905408. Its totient is φ = 38095380.
The previous prime is 78730511. The next prime is 78730517. The reversal of 78730514 is 41503787.
It is an interprime number because it is at equal distance from previous prime (78730511) and next prime (78730517).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (78730511) 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 3 ways as a sum of consecutive naturals, for example, 634862 + ... + 634985.
It is an arithmetic number, because the mean of its divisors is an integer number (15238176).
Almost surely, 278730514 is an apocalyptic number.
78730514 is a deficient number, since it is larger than the sum of its proper divisors (43174894).
78730514 is a wasteful number, since it uses less digits than its factorization.
78730514 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1269880.
The product of its (nonzero) digits is 23520, while the sum is 35.
The square root of 78730514 is about 8873.0216950033. The cubic root of 78730514 is about 428.5955875376.
The spelling of 78730514 in words is "seventy-eight million, seven hundred thirty thousand, five hundred fourteen".
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