Base | Representation |
---|---|
bin | 1001011010001… |
… | …01110101010010 |
3 | 12111112000112222 |
4 | 10231011311102 |
5 | 130201213414 |
6 | 11455421042 |
7 | 1645613246 |
oct | 455056522 |
9 | 174460488 |
10 | 78929234 |
11 | 4060a77a |
12 | 22524782 |
13 | 13476bb7 |
14 | a6a8426 |
15 | 6de168e |
hex | 4b45d52 |
78929234 has 8 divisors (see below), whose sum is σ = 118525440. Its totient is φ = 39420756.
The previous prime is 78929233. The next prime is 78929237. The reversal of 78929234 is 43292987.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (78929233) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 19634 + ... + 23309.
It is an arithmetic number, because the mean of its divisors is an integer number (14815680).
Almost surely, 278929234 is an apocalyptic number.
78929234 is a deficient number, since it is larger than the sum of its proper divisors (39596206).
78929234 is a wasteful number, since it uses less digits than its factorization.
78929234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43864.
The product of its digits is 217728, while the sum is 44.
The square root of 78929234 is about 8884.2126269017. The cubic root of 78929234 is about 428.9558839159.
Adding to 78929234 its reverse (43292987), we get a palindrome (122222221).
The spelling of 78929234 in words is "seventy-eight million, nine hundred twenty-nine thousand, two hundred thirty-four".
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