Base | Representation |
---|---|
bin | 11011001010010101110010 |
3 | 111101202010200 |
4 | 123022111302 |
5 | 3310321432 |
6 | 412340030 |
7 | 114343503 |
oct | 33122562 |
9 | 14352120 |
10 | 7120242 |
11 | 40235a8 |
12 | 2474616 |
13 | 1623b7c |
14 | d34baa |
15 | 959a7c |
hex | 6ca572 |
7120242 has 24 divisors (see below), whose sum is σ = 15479100. Its totient is φ = 2365440.
The previous prime is 7120237. The next prime is 7120277. The reversal of 7120242 is 2420217.
It can be written as a sum of positive squares in 2 ways, for example, as 7017201 + 103041 = 2649^2 + 321^2 .
It is a super-2 number, since 2×71202422 = 101395692277128, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7642 + ... + 8522.
Almost surely, 27120242 is an apocalyptic number.
7120242 is an abundant number, since it is smaller than the sum of its proper divisors (8358858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7120242 is a wasteful number, since it uses less digits than its factorization.
7120242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1338 (or 1335 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 18.
The square root of 7120242 is about 2668.3781591071. The cubic root of 7120242 is about 192.3822138834.
Adding to 7120242 its reverse (2420217), we get a palindrome (9540459).
The spelling of 7120242 in words is "seven million, one hundred twenty thousand, two hundred forty-two".
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