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2879368493 = 9421305633
BaseRepresentation
bin1010101110011111…
…1010110100101101
321102200001002000112
42223213322310231
521344104242433
61153414505405
7131232141221
oct25347726455
97380032015
102879368493
111248368191
12684365265
1336b6c9051
141d45a4781
1511cbb6348
hexab9fad2d

2879368493 has 4 divisors (see below), whose sum is σ = 2879683548. Its totient is φ = 2879053440.

The previous prime is 2879368487. The next prime is 2879368517. The reversal of 2879368493 is 3948639782.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1922208649 + 957159844 = 43843^2 + 30938^2 .

It is a cyclic number.

It is not a de Polignac number, because 2879368493 - 24 = 2879368477 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 (2879368423) 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, 143396 + ... + 162237.

It is an arithmetic number, because the mean of its divisors is an integer number (719920887).

Almost surely, 22879368493 is an apocalyptic number.

It is an amenable number.

2879368493 is a deficient number, since it is larger than the sum of its proper divisors (315055).

2879368493 is an equidigital number, since it uses as much as digits as its factorization.

2879368493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315054.

The product of its digits is 15676416, while the sum is 59.

The square root of 2879368493 is about 53659.7474183396. The cubic root of 2879368493 is about 1422.6533233137.

The spelling of 2879368493 in words is "two billion, eight hundred seventy-nine million, three hundred sixty-eight thousand, four hundred ninety-three".

Divisors: 1 9421 305633 2879368493