Base | Representation |
---|---|
bin | 1010011001110… |
… | …10101010100111 |
3 | 20002012212211010 |
4 | 11030322222213 |
5 | 134320201403 |
6 | 12354313303 |
7 | 2106541422 |
oct | 514725247 |
9 | 202185733 |
10 | 87272103 |
11 | 45298906 |
12 | 25288833 |
13 | 151083c9 |
14 | b83a9b9 |
15 | 79dd603 |
hex | 533aaa7 |
87272103 has 4 divisors (see below), whose sum is σ = 116362808. Its totient is φ = 58181400.
The previous prime is 87272083. The next prime is 87272167. The reversal of 87272103 is 30127278.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 87272103 - 214 = 87255719 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87272173) 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, 14545348 + ... + 14545353.
It is an arithmetic number, because the mean of its divisors is an integer number (29090702).
Almost surely, 287272103 is an apocalyptic number.
87272103 is a deficient number, since it is larger than the sum of its proper divisors (29090705).
87272103 is a wasteful number, since it uses less digits than its factorization.
87272103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29090704.
The product of its (nonzero) digits is 4704, while the sum is 30.
The square root of 87272103 is about 9341.9539176770. The cubic root of 87272103 is about 443.5662359389.
The spelling of 87272103 in words is "eighty-seven million, two hundred seventy-two thousand, one hundred three".
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