Base | Representation |
---|---|
bin | 1011111111001001010110 |
3 | 12220122022220 |
4 | 23333021112 |
5 | 1301022410 |
6 | 151203210 |
7 | 35465010 |
oct | 13771126 |
9 | 5818286 |
10 | 3142230 |
11 | 1856893 |
12 | 1076506 |
13 | 860310 |
14 | 5bb1b0 |
15 | 421070 |
hex | 2ff256 |
3142230 has 64 divisors (see below), whose sum is σ = 9289728. Its totient is φ = 662400.
The previous prime is 3142219. The next prime is 3142231. The reversal of 3142230 is 322413.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an Ulam number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3142231) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2155 + ... + 3305.
It is an arithmetic number, because the mean of its divisors is an integer number (145152).
Almost surely, 23142230 is an apocalyptic number.
3142230 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 3142230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4644864).
3142230 is an abundant number, since it is smaller than the sum of its proper divisors (6147498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3142230 is a wasteful number, since it uses less digits than its factorization.
3142230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1181.
The product of its (nonzero) digits is 144, while the sum is 15.
The square root of 3142230 is about 1772.6336338905. The cubic root of 3142230 is about 146.4690923238.
Adding to 3142230 its reverse (322413), we get a palindrome (3464643).
The spelling of 3142230 in words is "three million, one hundred forty-two thousand, two hundred thirty".
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