Base | Representation |
---|---|
bin | 1001001011110… |
… | …10100100001011 |
3 | 12100222110002102 |
4 | 10211322210023 |
5 | 124211014300 |
6 | 11351224015 |
7 | 1623616646 |
oct | 445724413 |
9 | 170873072 |
10 | 77048075 |
11 | 3a5453a5 |
12 | 2197800b |
13 | 12c688a0 |
14 | a338a5d |
15 | 6b6e0d5 |
hex | 497a90b |
77048075 has 12 divisors (see below), whose sum is σ = 102889248. Its totient is φ = 56896800.
The previous prime is 77048071. The next prime is 77048077. The reversal of 77048075 is 57084077.
It is not a de Polignac number, because 77048075 - 22 = 77048071 is a prime.
It is a super-2 number, since 2×770480752 = 11872811722411250, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (77048071) 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 11 ways as a sum of consecutive naturals, for example, 118211 + ... + 118860.
It is an arithmetic number, because the mean of its divisors is an integer number (8574104).
Almost surely, 277048075 is an apocalyptic number.
77048075 is a deficient number, since it is larger than the sum of its proper divisors (25841173).
77048075 is a wasteful number, since it uses less digits than its factorization.
77048075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 237094 (or 237089 counting only the distinct ones).
The product of its (nonzero) digits is 54880, while the sum is 38.
The square root of 77048075 is about 8777.7032873070. The cubic root of 77048075 is about 425.5206076911.
The spelling of 77048075 in words is "seventy-seven million, forty-eight thousand, seventy-five".
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