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2890644244 = 22722661061
BaseRepresentation
bin1010110001001011…
…1011101100010100
321110110020221102221
42230102323230110
521410001103434
61154500312124
7131430033145
oct25422735424
97413227387
102890644244
111253769894
126880a2644
13370b464a7
141d5c9bacc
1511db922b4
hexac4bbb14

2890644244 has 6 divisors (see below), whose sum is σ = 5058627434. Its totient is φ = 1445322120.

The previous prime is 2890644217. The next prime is 2890644247. The reversal of 2890644244 is 4424460982.

2890644244 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 only one way, i.e., 2890352644 + 291600 = 53762^2 + 540^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2890644244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2890644247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361330527 + ... + 361330534.

Almost surely, 22890644244 is an apocalyptic number.

It is an amenable number.

2890644244 is a deficient number, since it is larger than the sum of its proper divisors (2167983190).

2890644244 is a wasteful number, since it uses less digits than its factorization.

2890644244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722661065 (or 722661063 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The square root of 2890644244 is about 53764.7118842834. The cubic root of 2890644244 is about 1424.5079649776.

The spelling of 2890644244 in words is "two billion, eight hundred ninety million, six hundred forty-four thousand, two hundred forty-four".

Divisors: 1 2 4 722661061 1445322122 2890644244