Base | Representation |
---|---|
bin | 1010011111000… |
… | …00010001100111 |
3 | 20010111100022200 |
4 | 11033200101213 |
5 | 140003403224 |
6 | 12421025543 |
7 | 2115365163 |
oct | 517402147 |
9 | 203440280 |
10 | 87950439 |
11 | 45711515 |
12 | 255552b3 |
13 | 152b50a5 |
14 | b975ca3 |
15 | 7ac45c9 |
hex | 53e0467 |
87950439 has 6 divisors (see below), whose sum is σ = 127039536. Its totient is φ = 58633620.
The previous prime is 87950393. The next prime is 87950483. The reversal of 87950439 is 93405978.
It is not a de Polignac number, because 87950439 - 216 = 87884903 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 87950394 and 87950403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87950339) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4886127 + ... + 4886144.
It is an arithmetic number, because the mean of its divisors is an integer number (21173256).
Almost surely, 287950439 is an apocalyptic number.
87950439 is a deficient number, since it is larger than the sum of its proper divisors (39089097).
87950439 is a wasteful number, since it uses less digits than its factorization.
87950439 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9772277 (or 9772274 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The square root of 87950439 is about 9378.1895374321. The cubic root of 87950439 is about 444.7125004048.
The spelling of 87950439 in words is "eighty-seven million, nine hundred fifty thousand, four hundred thirty-nine".
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