Search a number
-
+
420100011 = 3246677779
BaseRepresentation
bin11001000010100…
…011011110101011
31002021111021212200
4121002203132223
51330021200021
6105404111243
713260535242
oct3102433653
91067437780
10420100011
111a61543a1
12b8835523
136905b3b6
143db17959
1526d34126
hex190a37ab

420100011 has 6 divisors (see below), whose sum is σ = 606811140. Its totient is φ = 280066668.

The previous prime is 420099997. The next prime is 420100019. The reversal of 420100011 is 110001024.

It is a happy number.

It is not a de Polignac number, because 420100011 - 215 = 420067243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 46677779 = 420100011 / (4 + 2 + 0 + 1 + 0 + 0 + 0 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 420099966 and 420100002.

It is not an unprimeable number, because it can be changed into a prime (420100019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23338881 + ... + 23338898.

It is an arithmetic number, because the mean of its divisors is an integer number (101135190).

Almost surely, 2420100011 is an apocalyptic number.

420100011 is a deficient number, since it is larger than the sum of its proper divisors (186711129).

420100011 is a wasteful number, since it uses less digits than its factorization.

420100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46677785 (or 46677782 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 420100011 is about 20496.3414052362. The cubic root of 420100011 is about 748.9466760374.

Adding to 420100011 its reverse (110001024), we get a palindrome (530101035).

The spelling of 420100011 in words is "four hundred twenty million, one hundred thousand, eleven".

Divisors: 1 3 9 46677779 140033337 420100011