Base | Representation |
---|---|
bin | 1001001100000… |
… | …11111010011001 |
3 | 12101001101121102 |
4 | 10212003322121 |
5 | 124213230421 |
6 | 11352121145 |
7 | 1624136402 |
oct | 446037231 |
9 | 171041542 |
10 | 77086361 |
11 | 3a571140 |
12 | 219961b5 |
13 | 12c80141 |
14 | a3489a9 |
15 | 6b7a60b |
hex | 4983e99 |
77086361 has 8 divisors (see below), whose sum is σ = 84207648. Its totient is φ = 69984000.
The previous prime is 77086357. The next prime is 77086403. The reversal of 77086361 is 16368077.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 77086361 - 22 = 77086357 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (77086301) 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 7 ways as a sum of consecutive naturals, for example, 4601 + ... + 13241.
It is an arithmetic number, because the mean of its divisors is an integer number (10525956).
Almost surely, 277086361 is an apocalyptic number.
It is an amenable number.
77086361 is a deficient number, since it is larger than the sum of its proper divisors (7121287).
77086361 is a wasteful number, since it uses less digits than its factorization.
77086361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9463.
The product of its (nonzero) digits is 42336, while the sum is 38.
The square root of 77086361 is about 8779.8838830590. The cubic root of 77086361 is about 425.5910779106.
The spelling of 77086361 in words is "seventy-seven million, eighty-six thousand, three hundred sixty-one".
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