Search a number
-
+
2056720846 = 24721880009
BaseRepresentation
bin111101010010111…
…0001000111001110
312022100002020121011
41322211301013032
513203010031341
6540030355434
7101652560455
oct17245610716
95270066534
102056720846
11965a688a4
1249495bb7a
1326a1468ab
14157221b9c
15c0868b81
hex7a9711ce

2056720846 has 8 divisors (see below), whose sum is σ = 3150721440. Its totient is φ = 1006480368.

The previous prime is 2056720819. The next prime is 2056720849. The reversal of 2056720846 is 6480276502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2056720799 and 2056720808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056720849) 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 in 3 ways as a sum of consecutive naturals, for example, 10939911 + ... + 10940098.

It is an arithmetic number, because the mean of its divisors is an integer number (393840180).

Almost surely, 22056720846 is an apocalyptic number.

2056720846 is a deficient number, since it is larger than the sum of its proper divisors (1094000594).

2056720846 is a wasteful number, since it uses less digits than its factorization.

2056720846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21880058.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 2056720846 is about 45351.0842869275. The cubic root of 2056720846 is about 1271.7208255477.

The spelling of 2056720846 in words is "two billion, fifty-six million, seven hundred twenty thousand, eight hundred forty-six".

Divisors: 1 2 47 94 21880009 43760018 1028360423 2056720846