Base | Representation |
---|---|
bin | 111101001100… |
… | …1010110001110 |
3 | 2020101002212210 |
4 | 1322121112032 |
5 | 31203213030 |
6 | 3103411250 |
7 | 536502261 |
oct | 172312616 |
9 | 66332783 |
10 | 32085390 |
11 | 17125257 |
12 | a8b3b26 |
13 | 685524c |
14 | 4392cd8 |
15 | 2c3bbb0 |
hex | 1e9958e |
32085390 has 64 divisors (see below), whose sum is σ = 79548480. Its totient is φ = 8279040.
The previous prime is 32085373. The next prime is 32085421. The reversal of 32085390 is 9358023.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162772 + ... + 162968.
It is an arithmetic number, because the mean of its divisors is an integer number (1242945).
Almost surely, 232085390 is an apocalyptic number.
32085390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 32085390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39774240).
32085390 is an abundant number, since it is smaller than the sum of its proper divisors (47463090).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
32085390 is a wasteful number, since it uses less digits than its factorization.
32085390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 357.
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 32085390 is about 5664.3967022093. The cubic root of 32085390 is about 317.7623516165.
The spelling of 32085390 in words is "thirty-two million, eighty-five thousand, three hundred ninety".
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