Base | Representation |
---|---|
bin | 1010001010000… |
… | …11100011101110 |
3 | 12221100012000211 |
4 | 11011003203232 |
5 | 133303230444 |
6 | 12242213034 |
7 | 2053166443 |
oct | 505034356 |
9 | 187305024 |
10 | 85211374 |
11 | 44110626 |
12 | 2465417a |
13 | 14866441 |
14 | b4619ca |
15 | 7732c34 |
hex | 51438ee |
85211374 has 8 divisors (see below), whose sum is σ = 131940288. Its totient is φ = 41231280.
The previous prime is 85211363. The next prime is 85211381. The reversal of 85211374 is 47311258.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 687127 + ... + 687250.
It is an arithmetic number, because the mean of its divisors is an integer number (16492536).
Almost surely, 285211374 is an apocalyptic number.
85211374 is a deficient number, since it is larger than the sum of its proper divisors (46728914).
85211374 is a wasteful number, since it uses less digits than its factorization.
85211374 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1374410.
The product of its digits is 6720, while the sum is 31.
The square root of 85211374 is about 9231.0007041490. Note that the first 3 decimals coincide. The cubic root of 85211374 is about 440.0471264950.
The spelling of 85211374 in words is "eighty-five million, two hundred eleven thousand, three hundred seventy-four".
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