Base | Representation |
---|---|
bin | 1010011101100… |
… | …10000011001010 |
3 | 20010010201121001 |
4 | 11032302003022 |
5 | 134431323343 |
6 | 12413005214 |
7 | 2113646155 |
oct | 516620312 |
9 | 203121531 |
10 | 87761098 |
11 | 455a2237 |
12 | 2548380a |
13 | 15249b59 |
14 | b926c9c |
15 | 7a8844d |
hex | 53b20ca |
87761098 has 8 divisors (see below), whose sum is σ = 131734980. Its totient is φ = 43849440.
The previous prime is 87761087. The next prime is 87761099. The reversal of 87761098 is 89016778.
It can be written as a sum of positive squares in 2 ways, for example, as 84327489 + 3433609 = 9183^2 + 1853^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (87761099) 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, 11853 + ... + 17776.
Almost surely, 287761098 is an apocalyptic number.
87761098 is a deficient number, since it is larger than the sum of its proper divisors (43973882).
87761098 is a wasteful number, since it uses less digits than its factorization.
87761098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31112.
The product of its (nonzero) digits is 169344, while the sum is 46.
The square root of 87761098 is about 9368.0893462861. The cubic root of 87761098 is about 444.3931432499.
The spelling of 87761098 in words is "eighty-seven million, seven hundred sixty-one thousand, ninety-eight".
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