Base | Representation |
---|---|
bin | 11001000010111… |
… | …010001000011101 |
3 | 1002021200000011012 |
4 | 121002322020131 |
5 | 1330032132142 |
6 | 105410105005 |
7 | 13261402613 |
oct | 3102721035 |
9 | 1067600135 |
10 | 420192797 |
11 | 1a6208082 |
12 | b887b165 |
13 | 690916bb |
14 | 3db3d6b3 |
15 | 26d51882 |
hex | 190ba21d |
420192797 has 8 divisors (see below), whose sum is σ = 422438016. Its totient is φ = 417953952.
The previous prime is 420192793. The next prime is 420192811. The reversal of 420192797 is 797291024.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 420192797 - 22 = 420192793 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (420192793) by changing a digit.
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, 182588 + ... + 184874.
It is an arithmetic number, because the mean of its divisors is an integer number (52804752).
Almost surely, 2420192797 is an apocalyptic number.
It is an amenable number.
420192797 is a deficient number, since it is larger than the sum of its proper divisors (2245219).
420192797 is a wasteful number, since it uses less digits than its factorization.
420192797 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3187.
The product of its (nonzero) digits is 63504, while the sum is 41.
The square root of 420192797 is about 20498.6047573975. The cubic root of 420192797 is about 749.0018110441.
It can be divided in two parts, 4201927 and 97, that added together give a palindrome (4202024).
The spelling of 420192797 in words is "four hundred twenty million, one hundred ninety-two thousand, seven hundred ninety-seven".
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