Base | Representation |
---|---|
bin | 1010011000011… |
… | …01010110000110 |
3 | 20001212110011211 |
4 | 11030031112012 |
5 | 134243231340 |
6 | 12350322034 |
7 | 2105136262 |
oct | 514152606 |
9 | 201773154 |
10 | 87086470 |
11 | 45181399 |
12 | 251b931a |
13 | 15071a73 |
14 | b7cd0a2 |
15 | 79a35ea |
hex | 530d586 |
87086470 has 32 divisors (see below), whose sum is σ = 160107840. Its totient is φ = 34097280.
The previous prime is 87086459. The next prime is 87086479. The reversal of 87086470 is 7468078.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87086479) 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, 122476 + ... + 123184.
It is an arithmetic number, because the mean of its divisors is an integer number (5003370).
Almost surely, 287086470 is an apocalyptic number.
87086470 is a deficient number, since it is larger than the sum of its proper divisors (73021370).
87086470 is a wasteful number, since it uses less digits than its factorization.
87086470 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 960.
The product of its (nonzero) digits is 75264, while the sum is 40.
The square root of 87086470 is about 9332.0131804450. The cubic root of 87086470 is about 443.2515153565.
The spelling of 87086470 in words is "eighty-seven million, eighty-six thousand, four hundred seventy".
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