Base | Representation |
---|---|
bin | 11001000010001… |
… | …101010011001010 |
3 | 1002021022200020220 |
4 | 121002031103022 |
5 | 1330010243122 |
6 | 105402130510 |
7 | 13260006336 |
oct | 3102152312 |
9 | 1067280226 |
10 | 420009162 |
11 | 1a60a2111 |
12 | b87b0a36 |
13 | 69028c41 |
14 | 3dad27c6 |
15 | 26d1725c |
hex | 1908d4ca |
420009162 has 16 divisors (see below), whose sum is σ = 851850432. Its totient is φ = 138031040.
The previous prime is 420009151. The next prime is 420009167. The reversal of 420009162 is 261900024.
It is not an unprimeable number, because it can be changed into a prime (420009167) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492543 + ... + 493394.
It is an arithmetic number, because the mean of its divisors is an integer number (53240652).
Almost surely, 2420009162 is an apocalyptic number.
420009162 is an abundant number, since it is smaller than the sum of its proper divisors (431841270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420009162 is a wasteful number, since it uses less digits than its factorization.
420009162 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 986013.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 420009162 is about 20494.1250606119. The cubic root of 420009162 is about 748.8926841623.
Adding to 420009162 its reverse (261900024), we get a palindrome (681909186).
The spelling of 420009162 in words is "four hundred twenty million, nine thousand, one hundred sixty-two".
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