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2204643489 = 31877391519
BaseRepresentation
bin1000001101101000…
…0011000010100001
312200122102111022120
42003122003002201
514003342042424
61002433054453
7105430106016
oct20332030241
95618374276
102204643489
11a31511314
125163b7429
13291999099
1416cb2970d
15cd837a79
hex836830a1

2204643489 has 8 divisors (see below), whose sum is σ = 2941098240. Its totient is φ = 1468975536.

The previous prime is 2204643457. The next prime is 2204643503. The reversal of 2204643489 is 9843464022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2204643489 - 25 = 2204643457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2204643489.

It is not an unprimeable number, because it can be changed into a prime (2204643689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190129 + ... + 201390.

It is an arithmetic number, because the mean of its divisors is an integer number (367637280).

Almost surely, 22204643489 is an apocalyptic number.

It is an amenable number.

2204643489 is a deficient number, since it is larger than the sum of its proper divisors (736454751).

2204643489 is a wasteful number, since it uses less digits than its factorization.

2204643489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393399.

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 2204643489 is about 46953.6312653239. The cubic root of 2204643489 is about 1301.5058465577.

The spelling of 2204643489 in words is "two billion, two hundred four million, six hundred forty-three thousand, four hundred eighty-nine".

Divisors: 1 3 1877 5631 391519 1174557 734881163 2204643489