Base | Representation |
---|---|
bin | 100110111111… |
… | …101000111100 |
3 | 201020100010210 |
4 | 212333220330 |
5 | 10104102030 |
6 | 1003032420 |
7 | 152613105 |
oct | 46775074 |
9 | 21210123 |
10 | 10222140 |
11 | 5852055 |
12 | 350b710 |
13 | 216ba06 |
14 | 15013ac |
15 | d6dbb0 |
hex | 9bfa3c |
10222140 has 24 divisors (see below), whose sum is σ = 28622160. Its totient is φ = 2725888.
The previous prime is 10222111. The next prime is 10222141. The reversal of 10222140 is 4122201.
10222140 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10222141) 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, 85125 + ... + 85244.
It is an arithmetic number, because the mean of its divisors is an integer number (1192590).
Almost surely, 210222140 is an apocalyptic number.
10222140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10222140 is an abundant number, since it is smaller than the sum of its proper divisors (18400020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10222140 is a wasteful number, since it uses less digits than its factorization.
10222140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170381 (or 170379 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 10222140 is about 3197.2081571271. The cubic root of 10222140 is about 217.0270871635.
Adding to 10222140 its reverse (4122201), we get a palindrome (14344341).
The spelling of 10222140 in words is "ten million, two hundred twenty-two thousand, one hundred forty".
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