Base | Representation |
---|---|
bin | 1010001110001… |
… | …10100010111111 |
3 | 12222100110000021 |
4 | 11013012202333 |
5 | 133422413103 |
6 | 12301513011 |
7 | 2060562613 |
oct | 507064277 |
9 | 188313007 |
10 | 85747903 |
11 | 4444773a |
12 | 24872767 |
13 | 149c3707 |
14 | b561343 |
15 | 77dbbbd |
hex | 51c68bf |
85747903 has 8 divisors (see below), whose sum is σ = 87409728. Its totient is φ = 84102144.
The previous prime is 85747901. The next prime is 85747939. The reversal of 85747903 is 30974758.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 85747903 - 21 = 85747901 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 85747903.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85747901) 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, 7050 + ... + 14872.
It is an arithmetic number, because the mean of its divisors is an integer number (10926216).
Almost surely, 285747903 is an apocalyptic number.
85747903 is a deficient number, since it is larger than the sum of its proper divisors (1661825).
85747903 is a wasteful number, since it uses less digits than its factorization.
85747903 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8033.
The product of its (nonzero) digits is 211680, while the sum is 43.
The square root of 85747903 is about 9260.0163606767. The cubic root of 85747903 is about 440.9687728020.
The spelling of 85747903 in words is "eighty-five million, seven hundred forty-seven thousand, nine hundred three".
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