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2247142764 = 223187261897
BaseRepresentation
bin1000010111110000…
…1010110101101100
312210121101200100210
42011330022311230
514100232032024
61010552022420
7106454253426
oct20574126554
95717350323
102247142764
11a534a9689
12528691a10
1329a729399
1417462d816
15d2430129
hex85f0ad6c

2247142764 has 12 divisors (see below), whose sum is σ = 5243333144. Its totient is φ = 749047584.

The previous prime is 2247142763. The next prime is 2247142771. The reversal of 2247142764 is 4672417422.

2247142764 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2247142763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93630937 + ... + 93630960.

Almost surely, 22247142764 is an apocalyptic number.

It is an amenable number.

2247142764 is an abundant number, since it is smaller than the sum of its proper divisors (2996190380).

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

2247142764 is a wasteful number, since it uses less digits than its factorization.

2247142764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187261904 (or 187261902 counting only the distinct ones).

The product of its digits is 150528, while the sum is 39.

The square root of 2247142764 is about 47404.0374229875. The cubic root of 2247142764 is about 1309.8157898040.

The spelling of 2247142764 in words is "two billion, two hundred forty-seven million, one hundred forty-two thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 187261897 374523794 561785691 749047588 1123571382 2247142764