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420541413 = 3140180471
BaseRepresentation
bin11001000100001…
…111001111100101
31002022022201100220
4121010033033211
51330124311123
6105421354553
713264354155
oct3104171745
91068281326
10420541413
111a6425a96
12b8a08a59
1369184296
143dbd0765
1526dbece3
hex1910f3e5

420541413 has 4 divisors (see below), whose sum is σ = 560721888. Its totient is φ = 280360940.

The previous prime is 420541397. The next prime is 420541417. The reversal of 420541413 is 314145024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420541413 - 24 = 420541397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420541417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70090233 + ... + 70090238.

It is an arithmetic number, because the mean of its divisors is an integer number (140180472).

Almost surely, 2420541413 is an apocalyptic number.

It is an amenable number.

420541413 is a deficient number, since it is larger than the sum of its proper divisors (140180475).

420541413 is a wasteful number, since it uses less digits than its factorization.

420541413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140180474.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 420541413 is about 20507.1064024157. The cubic root of 420541413 is about 749.2088920466.

Adding to 420541413 its reverse (314145024), we get a palindrome (734686437).

The spelling of 420541413 in words is "four hundred twenty million, five hundred forty-one thousand, four hundred thirteen".

Divisors: 1 3 140180471 420541413