Base | Representation |
---|---|
bin | 1010001001101… |
… | …01100110100100 |
3 | 12221020021121201 |
4 | 11010311212210 |
5 | 133244413322 |
6 | 12241052244 |
7 | 2052541003 |
oct | 504654644 |
9 | 187207551 |
10 | 85154212 |
11 | 44081690 |
12 | 24627084 |
13 | 14846410 |
14 | b448c3a |
15 | 7720d27 |
hex | 51359a4 |
85154212 has 48 divisors (see below), whose sum is σ = 179391744. Its totient is φ = 34848000.
The previous prime is 85154183. The next prime is 85154227. The reversal of 85154212 is 21245158.
It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21637 + ... + 25267.
It is an arithmetic number, because the mean of its divisors is an integer number (3737328).
Almost surely, 285154212 is an apocalyptic number.
85154212 is a gapful number since it is divisible by the number (82) formed by its first and last digit.
It is an amenable number.
85154212 is an abundant number, since it is smaller than the sum of its proper divisors (94237532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85154212 is a wasteful number, since it uses less digits than its factorization.
85154212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3700 (or 3698 counting only the distinct ones).
The product of its digits is 3200, while the sum is 28.
The square root of 85154212 is about 9227.9039873635. The cubic root of 85154212 is about 439.9487061418.
The spelling of 85154212 in words is "eighty-five million, one hundred fifty-four thousand, two hundred twelve".
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