Base | Representation |
---|---|
bin | 1010001000101… |
… | …01101010101010 |
3 | 12220222122011220 |
4 | 11010111222222 |
5 | 133231222102 |
6 | 12234202510 |
7 | 2051454432 |
oct | 504255252 |
9 | 186878156 |
10 | 85023402 |
11 | 43aa2382 |
12 | 24583436 |
13 | 147cba09 |
14 | b4132c2 |
15 | 76e71bc |
hex | 5115aaa |
85023402 has 16 divisors (see below), whose sum is σ = 172585632. Its totient is φ = 27918000.
The previous prime is 85023401. The next prime is 85023413. The reversal of 85023402 is 20432058.
It is not an unprimeable number, because it can be changed into a prime (85023401) 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, 105349 + ... + 106152.
It is an arithmetic number, because the mean of its divisors is an integer number (10786602).
Almost surely, 285023402 is an apocalyptic number.
85023402 is an abundant number, since it is smaller than the sum of its proper divisors (87562230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85023402 is a wasteful number, since it uses less digits than its factorization.
85023402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211573.
The product of its (nonzero) digits is 1920, while the sum is 24.
The square root of 85023402 is about 9220.8135215934. The cubic root of 85023402 is about 439.7233143399.
The spelling of 85023402 in words is "eighty-five million, twenty-three thousand, four hundred two".
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