Base | Representation |
---|---|
bin | 1010011111001… |
… | …00010101000001 |
3 | 20010112012002120 |
4 | 11033210111001 |
5 | 140004421131 |
6 | 12421234453 |
7 | 2115464451 |
oct | 517442501 |
9 | 203465076 |
10 | 87967041 |
11 | 45722a38 |
12 | 25562a29 |
13 | 152bc806 |
14 | b97bd61 |
15 | 7ac9496 |
hex | 53e4541 |
87967041 has 8 divisors (see below), whose sum is σ = 117345024. Its totient is φ = 58616880.
The previous prime is 87967021. The next prime is 87967043. The reversal of 87967041 is 14076978.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87967041 - 211 = 87964993 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 87966984 and 87967002.
It is not an unprimeable number, because it can be changed into a prime (87967043) 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, 2115 + ... + 13431.
It is an arithmetic number, because the mean of its divisors is an integer number (14668128).
Almost surely, 287967041 is an apocalyptic number.
It is an amenable number.
87967041 is a deficient number, since it is larger than the sum of its proper divisors (29377983).
87967041 is a wasteful number, since it uses less digits than its factorization.
87967041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13911.
The product of its (nonzero) digits is 84672, while the sum is 42.
The square root of 87967041 is about 9379.0746345255. The cubic root of 87967041 is about 444.7404807556.
The spelling of 87967041 in words is "eighty-seven million, nine hundred sixty-seven thousand, forty-one".
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