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2189074559 = 72421910589
BaseRepresentation
bin1000001001111010…
…1010000001111111
312122120010111202112
42002132222001333
513440400341214
61001115244235
7105150553400
oct20236520177
95576114675
102189074559
11a23748131
1251114967b
1328b6a77b9
1416aa359a7
15cc2aea3e
hex827aa07f

2189074559 has 12 divisors (see below), whose sum is σ = 2547318600. Its totient is φ = 1875727728.

The previous prime is 2189074523. The next prime is 2189074597. The reversal of 2189074559 is 9554709812.

2189074559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2k-2189074559 is a prime.

It is a super-2 number, since 2×21890745592 = 9584094849722088962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189034559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 201437 + ... + 212025.

It is an arithmetic number, because the mean of its divisors is an integer number (212276550).

Almost surely, 22189074559 is an apocalyptic number.

2189074559 is a deficient number, since it is larger than the sum of its proper divisors (358244041).

2189074559 is a wasteful number, since it uses less digits than its factorization.

2189074559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14822 (or 14815 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 50.

The square root of 2189074559 is about 46787.5470504706. The cubic root of 2189074559 is about 1298.4349131748.

The spelling of 2189074559 in words is "two billion, one hundred eighty-nine million, seventy-four thousand, five hundred fifty-nine".

Divisors: 1 7 49 4219 10589 29533 74123 206731 518861 44674991 312724937 2189074559