Base | Representation |
---|---|
bin | 1010001011001… |
… | …10100110100111 |
3 | 12221121110221022 |
4 | 11011212212213 |
5 | 133322324134 |
6 | 12245241355 |
7 | 2054335106 |
oct | 505464647 |
9 | 187543838 |
10 | 85354919 |
11 | 441a9461 |
12 | 2470325b |
13 | 148b6890 |
14 | b49c03d |
15 | 776052e |
hex | 51669a7 |
85354919 has 8 divisors (see below), whose sum is σ = 92073072. Its totient is φ = 78658560.
The previous prime is 85354901. The next prime is 85354931. The reversal of 85354919 is 91945358.
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 a de Polignac number, because none of the positive numbers 2k-85354919 is a prime.
It is a super-2 number, since 2×853549192 = 14570924394993122, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 85354919.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (85354939) 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, 3212 + ... + 13454.
It is an arithmetic number, because the mean of its divisors is an integer number (11509134).
Almost surely, 285354919 is an apocalyptic number.
85354919 is a deficient number, since it is larger than the sum of its proper divisors (6718153).
85354919 is a wasteful number, since it uses less digits than its factorization.
85354919 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10897.
The product of its digits is 194400, while the sum is 44.
The square root of 85354919 is about 9238.7725916379. The cubic root of 85354919 is about 440.2940854214.
The spelling of 85354919 in words is "eighty-five million, three hundred fifty-four thousand, nine hundred nineteen".
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