Base | Representation |
---|---|
bin | 11001000011110… |
… | …111110011100010 |
3 | 1002022010211200020 |
4 | 121003313303202 |
5 | 1330113223120 |
6 | 105415334310 |
7 | 13263504240 |
oct | 3103676342 |
9 | 1068124606 |
10 | 420445410 |
11 | 1a636a950 |
12 | b8981396 |
13 | 6914c688 |
14 | 3dba7790 |
15 | 26da1640 |
hex | 190f7ce2 |
420445410 has 64 divisors (see below), whose sum is σ = 1258066944. Its totient is φ = 87364800.
The previous prime is 420445397. The next prime is 420445423. The reversal of 420445410 is 14544024.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (420445397) and next prime (420445423).
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88696 + ... + 93315.
It is an arithmetic number, because the mean of its divisors is an integer number (19657296).
Almost surely, 2420445410 is an apocalyptic number.
420445410 is an abundant number, since it is smaller than the sum of its proper divisors (837621534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420445410 is a wasteful number, since it uses less digits than its factorization.
420445410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182039.
The product of its (nonzero) digits is 2560, while the sum is 24.
The square root of 420445410 is about 20504.7655436486. The cubic root of 420445410 is about 749.1518768332.
Adding to 420445410 its reverse (14544024), we get a palindrome (434989434).
The spelling of 420445410 in words is "four hundred twenty million, four hundred forty-five thousand, four hundred ten".
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