Base | Representation |
---|---|
bin | 11011101010110010010110 |
3 | 111122111102220 |
4 | 123222302112 |
5 | 3324100032 |
6 | 415243210 |
7 | 115436121 |
oct | 33526226 |
9 | 14574386 |
10 | 7253142 |
11 | 4104436 |
12 | 2519506 |
13 | 166c500 |
14 | d6b3b8 |
15 | 98412c |
hex | 6eac96 |
7253142 has 48 divisors (see below), whose sum is σ = 16443648. Its totient is φ = 2127840.
The previous prime is 7253137. The next prime is 7253167. The reversal of 7253142 is 2413527.
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 23 ways as a sum of consecutive naturals, for example, 23167 + ... + 23477.
It is an arithmetic number, because the mean of its divisors is an integer number (342576).
Almost surely, 27253142 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 7253142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8221824).
7253142 is an abundant number, since it is smaller than the sum of its proper divisors (9190506).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7253142 is a wasteful number, since it uses less digits than its factorization.
7253142 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 365 (or 352 counting only the distinct ones).
The product of its digits is 1680, while the sum is 24.
The square root of 7253142 is about 2693.1657951192. The cubic root of 7253142 is about 193.5717872909.
Adding to 7253142 its reverse (2413527), we get a palindrome (9666669).
The spelling of 7253142 in words is "seven million, two hundred fifty-three thousand, one hundred forty-two".
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