Base | Representation |
---|---|
bin | 11001000100001… |
… | …011010010010001 |
3 | 1002022021220010110 |
4 | 121010023102101 |
5 | 1330123301301 |
6 | 105421151533 |
7 | 13264255665 |
oct | 3104132221 |
9 | 1068256113 |
10 | 420525201 |
11 | 1a6414898 |
12 | b89bb5a9 |
13 | 69179aa5 |
14 | 3dbc88a5 |
15 | 26dba0d6 |
hex | 1910b491 |
420525201 has 8 divisors (see below), whose sum is σ = 580034880. Its totient is φ = 270682832.
The previous prime is 420525197. The next prime is 420525241. The reversal of 420525201 is 102525024.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 420525201 - 22 = 420525197 is a prime.
It is not an unprimeable number, because it can be changed into a prime (420525241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2416725 + ... + 2416898.
It is an arithmetic number, because the mean of its divisors is an integer number (72504360).
Almost surely, 2420525201 is an apocalyptic number.
It is an amenable number.
420525201 is a deficient number, since it is larger than the sum of its proper divisors (159509679).
420525201 is a wasteful number, since it uses less digits than its factorization.
420525201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4833655.
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 420525201 is about 20506.7111209965. The cubic root of 420525201 is about 749.1992645123.
The spelling of 420525201 in words is "four hundred twenty million, five hundred twenty-five thousand, two hundred one".
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