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889205142 = 23721171551
BaseRepresentation
bin110101000000000…
…011000110010110
32021222012022010210
4311000003012112
53310114031032
6224122430250
731015055550
oct6500030626
92258168123
10889205142
11416a29a91
12209962386
131122b70b7
148614a4d0
15530e82cc
hex35003196

889205142 has 16 divisors (see below), whose sum is σ = 2032468992. Its totient is φ = 254058600.

The previous prime is 889205117. The next prime is 889205153. The reversal of 889205142 is 241502988.

It is a self number, because there is not a number n which added to its sum of digits gives 889205142.

It is a congruent number.

It is an unprimeable number.

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, 10585734 + ... + 10585817.

It is an arithmetic number, because the mean of its divisors is an integer number (127029312).

Almost surely, 2889205142 is an apocalyptic number.

889205142 is an abundant number, since it is smaller than the sum of its proper divisors (1143263850).

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

889205142 is a wasteful number, since it uses less digits than its factorization.

889205142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21171563.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 889205142 is about 29819.5429542439. The cubic root of 889205142 is about 961.6137289961.

The spelling of 889205142 in words is "eight hundred eighty-nine million, two hundred five thousand, one hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 21171551 42343102 63514653 127029306 148200857 296401714 444602571 889205142