Base | Representation |
---|---|
bin | 11100010011100011000101 |
3 | 111221222110120 |
4 | 130103203011 |
5 | 3344420401 |
6 | 423012153 |
7 | 120032643 |
oct | 34234305 |
9 | 14858416 |
10 | 7420101 |
11 | 4208917 |
12 | 259a059 |
13 | 16ca4c0 |
14 | db2193 |
15 | 9b8836 |
hex | 7138c5 |
7420101 has 16 divisors (see below), whose sum is σ = 10832640. Its totient is φ = 4489920.
The previous prime is 7420097. The next prime is 7420111. The reversal of 7420101 is 1010247.
It is not a de Polignac number, because 7420101 - 22 = 7420097 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7420111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 820 + ... + 3938.
It is an arithmetic number, because the mean of its divisors is an integer number (677040).
Almost surely, 27420101 is an apocalyptic number.
It is an amenable number.
7420101 is a deficient number, since it is larger than the sum of its proper divisors (3412539).
7420101 is a wasteful number, since it uses less digits than its factorization.
7420101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3196.
The product of its (nonzero) digits is 56, while the sum is 15.
The square root of 7420101 is about 2723.9862334454. The cubic root of 7420101 is about 195.0458012073.
Adding to 7420101 its reverse (1010247), we get a palindrome (8430348).
The spelling of 7420101 in words is "seven million, four hundred twenty thousand, one hundred one".
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