Base | Representation |
---|---|
bin | 1010011011001… |
… | …11110100001100 |
3 | 20002120021111111 |
4 | 11031213310030 |
5 | 134342111121 |
6 | 12402301404 |
7 | 2111241532 |
oct | 515476414 |
9 | 202507444 |
10 | 87457036 |
11 | 45404847 |
12 | 25357864 |
13 | 15171634 |
14 | b888152 |
15 | 7a282e1 |
hex | 5367d0c |
87457036 has 24 divisors (see below), whose sum is σ = 157268160. Its totient is φ = 42534912.
The previous prime is 87457033. The next prime is 87457037. The reversal of 87457036 is 63075478.
It is a self number, because there is not a number n which added to its sum of digits gives 87457036.
It is not an unprimeable number, because it can be changed into a prime (87457033) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31180 + ... + 33868.
It is an arithmetic number, because the mean of its divisors is an integer number (6552840).
Almost surely, 287457036 is an apocalyptic number.
It is an amenable number.
87457036 is a deficient number, since it is larger than the sum of its proper divisors (69811124).
87457036 is a wasteful number, since it uses less digits than its factorization.
87457036 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2913 (or 2911 counting only the distinct ones).
The product of its (nonzero) digits is 141120, while the sum is 40.
The square root of 87457036 is about 9351.8466625581. The cubic root of 87457036 is about 443.8793262942.
The spelling of 87457036 in words is "eighty-seven million, four hundred fifty-seven thousand, thirty-six".
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