Base | Representation |
---|---|
bin | 1010001111100… |
… | …11010110111110 |
3 | 12222200202210110 |
4 | 11013303112332 |
5 | 133444301304 |
6 | 12305450450 |
7 | 2062256010 |
oct | 507632676 |
9 | 188622713 |
10 | 85931454 |
11 | 44562634 |
12 | 24940a26 |
13 | 14a5911b |
14 | b5ac1b0 |
15 | 7826289 |
hex | 51f35be |
85931454 has 16 divisors (see below), whose sum is σ = 196414848. Its totient is φ = 24551832.
The previous prime is 85931393. The next prime is 85931459. The reversal of 85931454 is 45413958.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85931459) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022952 + ... + 1023035.
It is an arithmetic number, because the mean of its divisors is an integer number (12275928).
Almost surely, 285931454 is an apocalyptic number.
85931454 is an abundant number, since it is smaller than the sum of its proper divisors (110483394).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85931454 is a wasteful number, since it uses less digits than its factorization.
85931454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2045999.
The product of its digits is 86400, while the sum is 39.
The square root of 85931454 is about 9269.9220061444. The cubic root of 85931454 is about 441.2831928313.
The spelling of 85931454 in words is "eighty-five million, nine hundred thirty-one thousand, four hundred fifty-four".
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