Base | Representation |
---|---|
bin | 11001000010111… |
… | …100010000000010 |
3 | 1002021200110001120 |
4 | 121002330100002 |
5 | 1330032421344 |
6 | 105410213110 |
7 | 13261440120 |
oct | 3102742002 |
9 | 1067613046 |
10 | 420201474 |
11 | 1a6213650 |
12 | b8884196 |
13 | 69095634 |
14 | 3db42910 |
15 | 26d54219 |
hex | 190bc402 |
420201474 has 128 divisors (see below), whose sum is σ = 1100390400. Its totient is φ = 103783680.
The previous prime is 420201443. The next prime is 420201487. The reversal of 420201474 is 474102024.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1058244 + ... + 1058640.
It is an arithmetic number, because the mean of its divisors is an integer number (8596800).
Almost surely, 2420201474 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 420201474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550195200).
420201474 is an abundant number, since it is smaller than the sum of its proper divisors (680188926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
420201474 is a wasteful number, since it uses less digits than its factorization.
420201474 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 528.
The product of its (nonzero) digits is 1792, while the sum is 24.
The square root of 420201474 is about 20498.8164048562. The cubic root of 420201474 is about 749.0069666489.
Adding to 420201474 its reverse (474102024), we get a palindrome (894303498).
The spelling of 420201474 in words is "four hundred twenty million, two hundred one thousand, four hundred seventy-four".
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