Base | Representation |
---|---|
bin | 11001000011110… |
… | …000111001011011 |
3 | 1002022002101212021 |
4 | 121003300321123 |
5 | 1330111321430 |
6 | 105414555311 |
7 | 13263325606 |
oct | 3103607133 |
9 | 1068071767 |
10 | 420417115 |
11 | 1a6350668 |
12 | b8968b37 |
13 | 6913c831 |
14 | 3db9b33d |
15 | 26d9807a |
hex | 190f0e5b |
420417115 has 16 divisors (see below), whose sum is σ = 537643008. Its totient is φ = 314861536.
The previous prime is 420417113. The next prime is 420417119. The reversal of 420417115 is 511714024.
It is not a de Polignac number, because 420417115 - 21 = 420417113 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 420417115.
It is not an unprimeable number, because it can be changed into a prime (420417113) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33487 + ... + 44296.
It is an arithmetic number, because the mean of its divisors is an integer number (33602688).
Almost surely, 2420417115 is an apocalyptic number.
420417115 is a deficient number, since it is larger than the sum of its proper divisors (117225893).
420417115 is a wasteful number, since it uses less digits than its factorization.
420417115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77858.
The product of its (nonzero) digits is 1120, while the sum is 25.
The square root of 420417115 is about 20504.0755704811. The cubic root of 420417115 is about 749.1350710622.
The spelling of 420417115 in words is "four hundred twenty million, four hundred seventeen thousand, one hundred fifteen".
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