Search a number
-
+
990816676 = 221709144941
BaseRepresentation
bin111011000011101…
…010100110100100
32120001101200221221
4323003222212210
54012122113201
6242152350124
733360542233
oct7303524644
92501350857
10990816676
11469321263
122379a5344
1312a373275
149583ab1a
155beba4a1
hex3b0ea9a4

990816676 has 12 divisors (see below), whose sum is σ = 1734955740. Its totient is φ = 495115040.

The previous prime is 990816653. The next prime is 990816689. The reversal of 990816676 is 676618099.

990816676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 143424576 + 847392100 = 11976^2 + 29110^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65635 + ... + 79306.

It is an arithmetic number, because the mean of its divisors is an integer number (144579645).

Almost surely, 2990816676 is an apocalyptic number.

It is an amenable number.

990816676 is a deficient number, since it is larger than the sum of its proper divisors (744139064).

990816676 is a wasteful number, since it uses less digits than its factorization.

990816676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146654 (or 146652 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 990816676 is about 31477.2406033312. The cubic root of 990816676 is about 996.9294735169.

The spelling of 990816676 in words is "nine hundred ninety million, eight hundred sixteen thousand, six hundred seventy-six".

Divisors: 1 2 4 1709 3418 6836 144941 289882 579764 247704169 495408338 990816676