Base | Representation |
---|---|
bin | 1010011010001… |
… | …01101011111001 |
3 | 20002022011201220 |
4 | 11031011223321 |
5 | 134323122431 |
6 | 12355302253 |
7 | 2110120134 |
oct | 515055371 |
9 | 202264656 |
10 | 87317241 |
11 | 45319810 |
12 | 252aa989 |
13 | 15122b0b |
14 | b84d21b |
15 | 79ebb96 |
hex | 5345af9 |
87317241 has 8 divisors (see below), whose sum is σ = 127006944. Its totient is φ = 52919520.
The previous prime is 87317233. The next prime is 87317267. The reversal of 87317241 is 14271378.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87317241 - 23 = 87317233 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2645977 = 87317241 / (8 + 7 + 3 + 1 + 7 + 2 + 4 + 1).
It is not an unprimeable number, because it can be changed into a prime (87317641) 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, 1322956 + ... + 1323021.
It is an arithmetic number, because the mean of its divisors is an integer number (15875868).
Almost surely, 287317241 is an apocalyptic number.
It is an amenable number.
87317241 is a deficient number, since it is larger than the sum of its proper divisors (39689703).
87317241 is a wasteful number, since it uses less digits than its factorization.
87317241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2645991.
The product of its digits is 9408, while the sum is 33.
The square root of 87317241 is about 9344.3694811368. The cubic root of 87317241 is about 443.6426950488.
The spelling of 87317241 in words is "eighty-seven million, three hundred seventeen thousand, two hundred forty-one".
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