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420552433 = 7283212293
BaseRepresentation
bin11001000100010…
…001111011110001
31002022100021111001
4121010101323301
51330130134213
6105421522001
713264431250
oct3104217361
91068307431
10420552433
111a64332a4
12b8a13301
13691892c2
143dbd4797
1526dc31dd
hex19111ef1

420552433 has 8 divisors (see below), whose sum is σ = 482331968. Its totient is φ = 359198064.

The previous prime is 420552421. The next prime is 420552437. The reversal of 420552433 is 334255024.

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 420552433 - 217 = 420421361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420552437) 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, 104166 + ... + 108127.

It is an arithmetic number, because the mean of its divisors is an integer number (60291496).

Almost surely, 2420552433 is an apocalyptic number.

It is an amenable number.

420552433 is a deficient number, since it is larger than the sum of its proper divisors (61779535).

420552433 is a wasteful number, since it uses less digits than its factorization.

420552433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212583.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 420552433 is about 20507.3750880019. The cubic root of 420552433 is about 749.2154361582.

The spelling of 420552433 in words is "four hundred twenty million, five hundred fifty-two thousand, four hundred thirty-three".

Divisors: 1 7 283 1981 212293 1486051 60078919 420552433