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2066793444 = 223275772
BaseRepresentation
bin111101100110000…
…1100001111100100
312100001000222121100
41323030030033210
513213044342234
6541030320100
7102134311602
oct17314141744
95301028540
102066793444
11970718561
124981b9030
1326c262501
141586c4872
15c16a8399
hex7b30c3e4

2066793444 has 27 divisors (see below), whose sum is σ = 5225084137. Its totient is φ = 688840224.

The previous prime is 2066793433. The next prime is 2066793473. The reversal of 2066793444 is 4443976602.

It is a happy number.

The square root of 2066793444 is 45462.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 13616100 + 2053177344 = 3690^2 + 45312^2 .

It is a super-2 number, since 2×20667934442 = 8543270280322762272, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2066793444.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 268984 + ... + 276560.

Almost surely, 22066793444 is an apocalyptic number.

2066793444 is the 45462-nd square number.

It is an amenable number.

2066793444 is an abundant number, since it is smaller than the sum of its proper divisors (3158290693).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2066793444 is an frugal number, since it uses more digits than its factorization.

2066793444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15164 (or 7582 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The cubic root of 2066793444 is about 1273.7934902647.

The spelling of 2066793444 in words is "two billion, sixty-six million, seven hundred ninety-three thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 7577 15154 22731 30308 45462 68193 90924 136386 272772 57410929 114821858 172232787 229643716 344465574 516698361 688931148 1033396722 2066793444