Search a number
-
+
2843131421 = 13563388459
BaseRepresentation
bin1010100101110110…
…1011111000011101
321100010212001002202
42221131223320131
521310320201141
61150042101245
7130312134614
oct25135537035
97303761082
102843131421
111229967799
126741aa825
1336404c1b0
141cd85087b
1511990949b
hexa976be1d

2843131421 has 8 divisors (see below), whose sum is σ = 3067280160. Its totient is φ = 2619760752.

The previous prime is 2843131411. The next prime is 2843131441. The reversal of 2843131421 is 1241313482.

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 2843131421 - 210 = 2843130397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2843131411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186911 + ... + 201548.

It is an arithmetic number, because the mean of its divisors is an integer number (383410020).

Almost surely, 22843131421 is an apocalyptic number.

It is an amenable number.

2843131421 is a deficient number, since it is larger than the sum of its proper divisors (224148739).

2843131421 is a wasteful number, since it uses less digits than its factorization.

2843131421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389035.

The product of its digits is 4608, while the sum is 29.

The square root of 2843131421 is about 53321.0223176563. The cubic root of 2843131421 is about 1416.6600437491.

The spelling of 2843131421 in words is "two billion, eight hundred forty-three million, one hundred thirty-one thousand, four hundred twenty-one".

Divisors: 1 13 563 7319 388459 5049967 218702417 2843131421