Base | Representation |
---|---|
bin | 11110010011101101010100 |
3 | 112221122112220 |
4 | 132103231110 |
5 | 4013220134 |
6 | 442142340 |
7 | 124350252 |
oct | 36235524 |
9 | 15848486 |
10 | 7945044 |
11 | 4537258 |
12 | 27b19b0 |
13 | 1852413 |
14 | 10ab5d2 |
15 | a6e149 |
hex | 793b54 |
7945044 has 24 divisors (see below), whose sum is σ = 18627840. Its totient is φ = 2635584.
The previous prime is 7945039. The next prime is 7945057. The reversal of 7945044 is 4405497.
It is a happy number.
7945044 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×79450443 (a number of 22 digits) contains 333 as substring.
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 7944996 and 7945014.
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 7 ways as a sum of consecutive naturals, for example, 1192 + ... + 4160.
It is an arithmetic number, because the mean of its divisors is an integer number (776160).
Almost surely, 27945044 is an apocalyptic number.
It is an amenable number.
7945044 is an abundant number, since it is smaller than the sum of its proper divisors (10682796).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7945044 is a wasteful number, since it uses less digits than its factorization.
7945044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3199 (or 3197 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 7945044 is about 2818.6954429310. The cubic root of 7945044 is about 199.5409806455.
The spelling of 7945044 in words is "seven million, nine hundred forty-five thousand, forty-four".
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