Base | Representation |
---|---|
bin | 1010011000101… |
… | …01101001100010 |
3 | 20001221011211112 |
4 | 11030111221202 |
5 | 134300323412 |
6 | 12351143322 |
7 | 2105340401 |
oct | 514255142 |
9 | 201834745 |
10 | 87120482 |
11 | 451a49a9 |
12 | 25214b42 |
13 | 150843a7 |
14 | b7db638 |
15 | 79ad722 |
hex | 5315a62 |
87120482 has 4 divisors (see below), whose sum is σ = 130680726. Its totient is φ = 43560240.
The previous prime is 87120457. The next prime is 87120487. The reversal of 87120482 is 28402178.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 73805281 + 13315201 = 8591^2 + 3649^2 .
It is not an unprimeable number, because it can be changed into a prime (87120487) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21780119 + ... + 21780122.
Almost surely, 287120482 is an apocalyptic number.
87120482 is a deficient number, since it is larger than the sum of its proper divisors (43560244).
87120482 is a wasteful number, since it uses less digits than its factorization.
87120482 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43560243.
The product of its (nonzero) digits is 7168, while the sum is 32.
The square root of 87120482 is about 9333.8353317380. The cubic root of 87120482 is about 443.3092124489.
The spelling of 87120482 in words is "eighty-seven million, one hundred twenty thousand, four hundred eighty-two".
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