Base | Representation |
---|---|
bin | 1010001010001… |
… | …00010010110100 |
3 | 12221100100011110 |
4 | 11011010102310 |
5 | 133303330023 |
6 | 12242235020 |
7 | 2053211310 |
oct | 505042264 |
9 | 187310143 |
10 | 85214388 |
11 | 44112916 |
12 | 24655a70 |
13 | 1486791c |
14 | b462b40 |
15 | 7733a93 |
hex | 51444b4 |
85214388 has 24 divisors (see below), whose sum is σ = 227238592. Its totient is φ = 24346944.
The previous prime is 85214369. The next prime is 85214399. The reversal of 85214388 is 88341258.
It is a super-2 number, since 2×852143882 = 14522983844429088, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507145 + ... + 507312.
Almost surely, 285214388 is an apocalyptic number.
It is an amenable number.
85214388 is an abundant number, since it is smaller than the sum of its proper divisors (142024204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85214388 is a wasteful number, since it uses less digits than its factorization.
85214388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1014471 (or 1014469 counting only the distinct ones).
The product of its digits is 61440, while the sum is 39.
The square root of 85214388 is about 9231.1639569450. The cubic root of 85214388 is about 440.0523147163.
The spelling of 85214388 in words is "eighty-five million, two hundred fourteen thousand, three hundred eighty-eight".
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