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855989130 = 23528532971
BaseRepresentation
bin110011000001010…
…101101110001010
32012122200202100010
4303001111232022
53223113123010
6220534452350
730132534063
oct6301255612
92178622303
10855989130
113aa202337
121ba8040b6
13108457359
148198156a
1550236620
hex33055b8a

855989130 has 16 divisors (see below), whose sum is σ = 2054373984. Its totient is φ = 228263760.

The previous prime is 855989111. The next prime is 855989131. The reversal of 855989130 is 31989558.

It is a self number, because there is not a number n which added to its sum of digits gives 855989130.

It is not an unprimeable number, because it can be changed into a prime (855989131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14266456 + ... + 14266515.

It is an arithmetic number, because the mean of its divisors is an integer number (128398374).

Almost surely, 2855989130 is an apocalyptic number.

855989130 is an abundant number, since it is smaller than the sum of its proper divisors (1198384854).

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

855989130 is a wasteful number, since it uses less digits than its factorization.

855989130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28532981.

The product of its (nonzero) digits is 388800, while the sum is 48.

The square root of 855989130 is about 29257.2919115902. The cubic root of 855989130 is about 949.4878606157.

The spelling of 855989130 in words is "eight hundred fifty-five million, nine hundred eighty-nine thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 28532971 57065942 85598913 142664855 171197826 285329710 427994565 855989130