Base | Representation |
---|---|
bin | 1010011100100… |
… | …01111000110001 |
3 | 20002220000212220 |
4 | 11032101320301 |
5 | 134413114421 |
6 | 12410111253 |
7 | 2112560121 |
oct | 516217061 |
9 | 202800786 |
10 | 87629361 |
11 | 45512266 |
12 | 2541b529 |
13 | 15201bc1 |
14 | b8d0c81 |
15 | 7a5e3c6 |
hex | 5391e31 |
87629361 has 8 divisors (see below), whose sum is σ = 116986464. Its totient is φ = 58345920.
The previous prime is 87629359. The next prime is 87629449. The reversal of 87629361 is 16392678.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87629361 - 21 = 87629359 is a prime.
It is not an unprimeable number, because it can be changed into a prime (87629161) 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, 15576 + ... + 20441.
It is an arithmetic number, because the mean of its divisors is an integer number (14623308).
Almost surely, 287629361 is an apocalyptic number.
It is an amenable number.
87629361 is a deficient number, since it is larger than the sum of its proper divisors (29357103).
87629361 is a wasteful number, since it uses less digits than its factorization.
87629361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36831.
The product of its digits is 108864, while the sum is 42.
The square root of 87629361 is about 9361.0555494559. The cubic root of 87629361 is about 444.1706743808.
It can be divided in two parts, 87629 and 361, that added together give a triangular number (87990 = T419).
The spelling of 87629361 in words is "eighty-seven million, six hundred twenty-nine thousand, three hundred sixty-one".
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