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585117380 = 22529255869
BaseRepresentation
bin100010111000000…
…010111011000100
31111210000001011002
4202320002323010
52144242224010
6134021032432
720333262401
oct4270027304
91453001132
10585117380
11280313391
12143b55718
13942b7803
14579d12a8
153657d1a5
hex22e02ec4

585117380 has 12 divisors (see below), whose sum is σ = 1228746540. Its totient is φ = 234046944.

The previous prime is 585117367. The next prime is 585117413. The reversal of 585117380 is 83711585.

It can be written as a sum of positive squares in 2 ways, for example, as 193710724 + 391406656 = 13918^2 + 19784^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14627915 + ... + 14627954.

It is an arithmetic number, because the mean of its divisors is an integer number (102395545).

Almost surely, 2585117380 is an apocalyptic number.

It is an amenable number.

585117380 is an abundant number, since it is smaller than the sum of its proper divisors (643629160).

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

585117380 is a wasteful number, since it uses less digits than its factorization.

585117380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29255878 (or 29255876 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 38.

The square root of 585117380 is about 24189.1996560448. The cubic root of 585117380 is about 836.4005943957.

The spelling of 585117380 in words is "five hundred eighty-five million, one hundred seventeen thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 29255869 58511738 117023476 146279345 292558690 585117380