Base | Representation |
---|---|
bin | 11100010100000000111100 |
3 | 111222002002100 |
4 | 130110000330 |
5 | 3400001022 |
6 | 423025100 |
7 | 120041343 |
oct | 34240074 |
9 | 14862070 |
10 | 7422012 |
11 | 420a2a4 |
12 | 259b190 |
13 | 16cb330 |
14 | db2b5a |
15 | 9b91ac |
hex | 71403c |
7422012 has 36 divisors (see below), whose sum is σ = 20205640. Its totient is φ = 2283552.
The previous prime is 7422011. The next prime is 7422017. The reversal of 7422012 is 2102247.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7422011) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7462 + ... + 8397.
Almost surely, 27422012 is an apocalyptic number.
It is an amenable number.
7422012 is an abundant number, since it is smaller than the sum of its proper divisors (12783628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7422012 is a wasteful number, since it uses less digits than its factorization.
7422012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15882 (or 15877 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 18.
The square root of 7422012 is about 2724.3369835613. The cubic root of 7422012 is about 195.0625440401.
Adding to 7422012 its reverse (2102247), we get a palindrome (9524259).
The spelling of 7422012 in words is "seven million, four hundred twenty-two thousand, twelve".
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