Base | Representation |
---|---|
bin | 1010001011001… |
… | …01001100101001 |
3 | 12221121012001001 |
4 | 11011211030221 |
5 | 133322133121 |
6 | 12245155001 |
7 | 2054312242 |
oct | 505451451 |
9 | 187535031 |
10 | 85349161 |
11 | 441a50a7 |
12 | 246bba61 |
13 | 148b4081 |
14 | b499cc9 |
15 | 775d991 |
hex | 5165329 |
85349161 has 4 divisors (see below), whose sum is σ = 85595472. Its totient is φ = 85102852.
The previous prime is 85349119. The next prime is 85349177. The reversal of 85349161 is 16194358.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 85349161 - 29 = 85348649 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 85349161.
It is not an unprimeable number, because it can be changed into a prime (85349101) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122635 + ... + 123328.
It is an arithmetic number, because the mean of its divisors is an integer number (21398868).
Almost surely, 285349161 is an apocalyptic number.
It is an amenable number.
85349161 is a deficient number, since it is larger than the sum of its proper divisors (246311).
85349161 is a wasteful number, since it uses less digits than its factorization.
85349161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 246310.
The product of its digits is 25920, while the sum is 37.
The square root of 85349161 is about 9238.4609649010. The cubic root of 85349161 is about 440.2841845261.
The spelling of 85349161 in words is "eighty-five million, three hundred forty-nine thousand, one hundred sixty-one".
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