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890015320 = 23522250383
BaseRepresentation
bin110101000011001…
…000111001011000
32022000201110111101
4311003020321120
53310320442240
6224152041144
731025001565
oct6503107130
92260643441
10890015320
11417432757
1220a0931b4
1311250baac
14862bb86c
155320839a
hex350c8e58

890015320 has 16 divisors (see below), whose sum is σ = 2002534560. Its totient is φ = 356006112.

The previous prime is 890015303. The next prime is 890015323. The reversal of 890015320 is 23510098.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890015323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11125152 + ... + 11125231.

It is an arithmetic number, because the mean of its divisors is an integer number (125158410).

Almost surely, 2890015320 is an apocalyptic number.

It is an amenable number.

890015320 is an abundant number, since it is smaller than the sum of its proper divisors (1112519240).

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

890015320 is a wasteful number, since it uses less digits than its factorization.

890015320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22250394 (or 22250390 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 890015320 is about 29833.1245430310. The cubic root of 890015320 is about 961.9056907935.

The spelling of 890015320 in words is "eight hundred ninety million, fifteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 22250383 44500766 89001532 111251915 178003064 222503830 445007660 890015320