Base | Representation |
---|---|
bin | 1010011101000… |
… | …11110100110110 |
3 | 20010000202200021 |
4 | 11032203310312 |
5 | 134422442323 |
6 | 12411435354 |
7 | 2113314256 |
oct | 516436466 |
9 | 203022607 |
10 | 87702838 |
11 | 45562493 |
12 | 25455b5a |
13 | 15229492 |
14 | b90d966 |
15 | 7a7605d |
hex | 53a3d36 |
87702838 has 8 divisors (see below), whose sum is σ = 131599800. Its totient is φ = 43836240.
The previous prime is 87702833. The next prime is 87702883. The reversal of 87702838 is 83820778.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 87702794 and 87702803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87702833) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2113 + ... + 13411.
It is an arithmetic number, because the mean of its divisors is an integer number (16449975).
Almost surely, 287702838 is an apocalyptic number.
87702838 is a deficient number, since it is larger than the sum of its proper divisors (43896962).
87702838 is a wasteful number, since it uses less digits than its factorization.
87702838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15182.
The product of its (nonzero) digits is 150528, while the sum is 43.
The square root of 87702838 is about 9364.9793379377. The cubic root of 87702838 is about 444.2947850316.
The spelling of 87702838 in words is "eighty-seven million, seven hundred two thousand, eight hundred thirty-eight".
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