Base | Representation |
---|---|
bin | 1010011100111… |
… | …00110110011001 |
3 | 20002222022111000 |
4 | 11032130312121 |
5 | 134421034030 |
6 | 12411055213 |
7 | 2113135050 |
oct | 516346631 |
9 | 202868430 |
10 | 87674265 |
11 | 45542a78 |
12 | 25441509 |
13 | 15219483 |
14 | b903397 |
15 | 7a6c860 |
hex | 539cd99 |
87674265 has 96 divisors (see below), whose sum is σ = 188732160. Its totient is φ = 37822464.
The previous prime is 87674261. The next prime is 87674269. The reversal of 87674265 is 56247678.
It is an interprime number because it is at equal distance from previous prime (87674261) and next prime (87674269).
It is not a de Polignac number, because 87674265 - 22 = 87674261 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 87674265.
It is not an unprimeable number, because it can be changed into a prime (87674261) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 341017 + ... + 341273.
It is an arithmetic number, because the mean of its divisors is an integer number (1965960).
Almost surely, 287674265 is an apocalyptic number.
It is an amenable number.
87674265 is an abundant number, since it is smaller than the sum of its proper divisors (101057895).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87674265 is a wasteful number, since it uses less digits than its factorization.
87674265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 316 (or 291 counting only the distinct ones).
The product of its digits is 564480, while the sum is 45.
The square root of 87674265 is about 9363.4536897450. The cubic root of 87674265 is about 444.2465303644.
The spelling of 87674265 in words is "eighty-seven million, six hundred seventy-four thousand, two hundred sixty-five".
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