Base | Representation |
---|---|
bin | 1001001011111… |
… | …00001000110000 |
3 | 12100222202220211 |
4 | 10211330020300 |
5 | 124211221022 |
6 | 11351313504 |
7 | 1623644503 |
oct | 445741060 |
9 | 170882824 |
10 | 77054512 |
11 | 3a54a217 |
12 | 2197b894 |
13 | 12c6b7b2 |
14 | a33b13a |
15 | 6b70e77 |
hex | 497c230 |
77054512 has 20 divisors (see below), whose sum is σ = 149856480. Its totient is φ = 38381888.
The previous prime is 77054507. The next prime is 77054513. The reversal of 77054512 is 21545077.
It is not an unprimeable number, because it can be changed into a prime (77054513) 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, 4648 + ... + 13255.
It is an arithmetic number, because the mean of its divisors is an integer number (7492824).
Almost surely, 277054512 is an apocalyptic number.
It is an amenable number.
77054512 is a deficient number, since it is larger than the sum of its proper divisors (72801968).
77054512 is a wasteful number, since it uses less digits than its factorization.
77054512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18180 (or 18174 counting only the distinct ones).
The product of its (nonzero) digits is 9800, while the sum is 31.
The square root of 77054512 is about 8778.0699473176. The cubic root of 77054512 is about 425.5324574351.
Adding to 77054512 its reverse (21545077), we get a palindrome (98599589).
The spelling of 77054512 in words is "seventy-seven million, fifty-four thousand, five hundred twelve".
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