Search a number
-
+
2042679802 = 21021339901
BaseRepresentation
bin111100111000000…
…1101000111111010
312021100122212220111
41321300031013322
513140411223202
6534405414534
7101422330462
oct17160150772
95240585814
102042679802
11959048629
1249010a44a
1326726b897
14155408ba2
15be4e36d7
hex79c0d1fa

2042679802 has 4 divisors (see below), whose sum is σ = 3064019706. Its totient is φ = 1021339900.

The previous prime is 2042679799. The next prime is 2042679803. The reversal of 2042679802 is 2089762402.

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

It can be written as a sum of positive squares in only one way, i.e., 1429671721 + 613008081 = 37811^2 + 24759^2 .

It is not an unprimeable number, because it can be changed into a prime (2042679803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510669949 + ... + 510669952.

Almost surely, 22042679802 is an apocalyptic number.

2042679802 is a deficient number, since it is larger than the sum of its proper divisors (1021339904).

2042679802 is a wasteful number, since it uses less digits than its factorization.

2042679802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021339903.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 2042679802 is about 45196.0153332127. The cubic root of 2042679802 is about 1268.8202411321.

The spelling of 2042679802 in words is "two billion, forty-two million, six hundred seventy-nine thousand, eight hundred two".

Divisors: 1 2 1021339901 2042679802