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2298029887 = 10921082843
BaseRepresentation
bin1000100011111001…
…0010011100111111
312221011011000101001
42020332102130333
514201243424022
61020010431131
7110642634406
oct21076223477
95834130331
102298029887
11a7a1a595a
125417324a7
132a81354ca
1417b2b863d
15d6b32b27
hex88f9273f

2298029887 has 4 divisors (see below), whose sum is σ = 2319112840. Its totient is φ = 2276946936.

The previous prime is 2298029863. The next prime is 2298029947. The reversal of 2298029887 is 7889208922.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2298029887 - 211 = 2298027839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2298029827) 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, 10541313 + ... + 10541530.

It is an arithmetic number, because the mean of its divisors is an integer number (579778210).

Almost surely, 22298029887 is an apocalyptic number.

2298029887 is a deficient number, since it is larger than the sum of its proper divisors (21082953).

2298029887 is a wasteful number, since it uses less digits than its factorization.

2298029887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21082952.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The square root of 2298029887 is about 47937.7709848925. The cubic root of 2298029887 is about 1319.6291212023.

The spelling of 2298029887 in words is "two billion, two hundred ninety-eight million, twenty-nine thousand, eight hundred eighty-seven".

Divisors: 1 109 21082843 2298029887