Base | Representation |
---|---|
bin | 100110110011… |
… | …100110100110 |
3 | 201010211111210 |
4 | 212303212212 |
5 | 10101012323 |
6 | 1002012250 |
7 | 152316264 |
oct | 46634646 |
9 | 21124453 |
10 | 10172838 |
11 | 5819005 |
12 | 34a7086 |
13 | 2152440 |
14 | 14cb434 |
15 | d5e293 |
hex | 9b39a6 |
10172838 has 32 divisors (see below), whose sum is σ = 22452192. Its totient is φ = 3052800.
The previous prime is 10172819. The next prime is 10172843. The reversal of 10172838 is 83827101.
It is a happy number.
10172838 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1608 + ... + 4788.
It is an arithmetic number, because the mean of its divisors is an integer number (701631).
Almost surely, 210172838 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10172838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11226096).
10172838 is an abundant number, since it is smaller than the sum of its proper divisors (12279354).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10172838 is a wasteful number, since it uses less digits than its factorization.
10172838 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3240.
The product of its (nonzero) digits is 2688, while the sum is 30.
The square root of 10172838 is about 3189.4886737532. The cubic root of 10172838 is about 216.6776131222.
Adding to 10172838 its reverse (83827101), we get a palindrome (93999939).
The spelling of 10172838 in words is "ten million, one hundred seventy-two thousand, eight hundred thirty-eight".
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