Base | Representation |
---|---|
bin | 1001001011101… |
… | …01111010100101 |
3 | 12100221110222000 |
4 | 10211311322211 |
5 | 124204412104 |
6 | 11350555513 |
7 | 1623510300 |
oct | 445657245 |
9 | 170843860 |
10 | 77029029 |
11 | 3a532060 |
12 | 21968b99 |
13 | 12c6000c |
14 | a331b37 |
15 | 6b68639 |
hex | 4975ea5 |
77029029 has 96 divisors (see below), whose sum is σ = 148838400. Its totient is φ = 38918880.
The previous prime is 77029027. The next prime is 77029033. The reversal of 77029029 is 92092077.
It is not a de Polignac number, because 77029029 - 21 = 77029027 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 77028984 and 77029002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (77029027) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 975012 + ... + 975090.
It is an arithmetic number, because the mean of its divisors is an integer number (1550400).
Almost surely, 277029029 is an apocalyptic number.
77029029 is a gapful number since it is divisible by the number (79) formed by its first and last digit.
It is an amenable number.
77029029 is a deficient number, since it is larger than the sum of its proper divisors (71809371).
77029029 is a wasteful number, since it uses less digits than its factorization.
77029029 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 180 (or 167 counting only the distinct ones).
The product of its (nonzero) digits is 15876, while the sum is 36.
The square root of 77029029 is about 8776.6183123114. The cubic root of 77029029 is about 425.4855424266.
The spelling of 77029029 in words is "seventy-seven million, twenty-nine thousand, twenty-nine".
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