Base | Representation |
---|---|
bin | 1001010010011… |
… | …01111110111001 |
3 | 12102121102222020 |
4 | 10221031332321 |
5 | 124421222131 |
6 | 11421545053 |
7 | 1634154432 |
oct | 451157671 |
9 | 172542866 |
10 | 77914041 |
11 | 3aa86a77 |
12 | 22115189 |
13 | 131acaaa |
14 | a4c2489 |
15 | 6c90996 |
hex | 4a4dfb9 |
77914041 has 32 divisors (see below), whose sum is σ = 115415040. Its totient is φ = 46531584.
The previous prime is 77914033. The next prime is 77914061. The reversal of 77914041 is 14041977.
It is not a de Polignac number, because 77914041 - 23 = 77914033 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 77913993 and 77914011.
It is not an unprimeable number, because it can be changed into a prime (77914061) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134745 + ... + 135321.
It is an arithmetic number, because the mean of its divisors is an integer number (3606720).
Almost surely, 277914041 is an apocalyptic number.
It is an amenable number.
77914041 is a deficient number, since it is larger than the sum of its proper divisors (37500999).
77914041 is a wasteful number, since it uses less digits than its factorization.
77914041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 725.
The product of its (nonzero) digits is 7056, while the sum is 33.
The square root of 77914041 is about 8826.8930547504. The cubic root of 77914041 is about 427.1088560045.
Subtracting from 77914041 its reverse (14041977), we obtain a square (63872064 = 79922).
The spelling of 77914041 in words is "seventy-seven million, nine hundred fourteen thousand, forty-one".
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