Base | Representation |
---|---|
bin | 1010011101001… |
… | …00001001000111 |
3 | 20010000211110022 |
4 | 11032210021013 |
5 | 134423013020 |
6 | 12411445355 |
7 | 2113321121 |
oct | 516441107 |
9 | 203024408 |
10 | 87704135 |
11 | 45563462 |
12 | 2545685b |
13 | 15229c4c |
14 | b910211 |
15 | 7a76625 |
hex | 53a4247 |
87704135 has 16 divisors (see below), whose sum is σ = 108047520. Its totient is φ = 68315520.
The previous prime is 87704131. The next prime is 87704147. The reversal of 87704135 is 53140778.
It is not a de Polignac number, because 87704135 - 22 = 87704131 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 87704095 and 87704104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87704131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35645 + ... + 38025.
It is an arithmetic number, because the mean of its divisors is an integer number (6752970).
Almost surely, 287704135 is an apocalyptic number.
87704135 is a deficient number, since it is larger than the sum of its proper divisors (20343385).
87704135 is a wasteful number, since it uses less digits than its factorization.
87704135 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2578.
The product of its (nonzero) digits is 23520, while the sum is 35.
The square root of 87704135 is about 9365.0485850315. The cubic root of 87704135 is about 444.2969751830.
The spelling of 87704135 in words is "eighty-seven million, seven hundred four thousand, one hundred thirty-five".
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