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419934813 = 3139978271
BaseRepresentation
bin11001000001111…
…011001001011101
31002021011220021020
4121001323021131
51330000403223
6105400354353
713256246514
oct3101731135
91067156236
10419934813
111a6051271
12b87759b9
136900114c
143dab367b
1526d001e3
hex1907b25d

419934813 has 4 divisors (see below), whose sum is σ = 559913088. Its totient is φ = 279956540.

The previous prime is 419934803. The next prime is 419934821. The reversal of 419934813 is 318439914.

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 419934813 - 29 = 419934301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (419934803) 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, 69989133 + ... + 69989138.

It is an arithmetic number, because the mean of its divisors is an integer number (139978272).

Almost surely, 2419934813 is an apocalyptic number.

It is an amenable number.

419934813 is a deficient number, since it is larger than the sum of its proper divisors (139978275).

419934813 is a wasteful number, since it uses less digits than its factorization.

419934813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139978274.

The product of its digits is 93312, while the sum is 42.

The square root of 419934813 is about 20492.3110702527. The cubic root of 419934813 is about 748.8484925010.

The spelling of 419934813 in words is "four hundred nineteen million, nine hundred thirty-four thousand, eight hundred thirteen".

Divisors: 1 3 139978271 419934813