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2064531852 = 223257348107
BaseRepresentation
bin111101100001110…
…0100000110001100
312022212210002021200
41323003210012030
513212010004402
6540510025500
7102106142205
oct17303440614
95285702250
102064531852
1196a413379
124974a8290
1326b94cca6
141582965ac
15c13ad21c
hex7b0e418c

2064531852 has 18 divisors (see below), whose sum is σ = 5218677828. Its totient is φ = 688177272.

The previous prime is 2064531841. The next prime is 2064531857. The reversal of 2064531852 is 2581354602.

2064531852 is a `hidden beast` number, since 2 + 0 + 645 + 3 + 1 + 8 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 57348107 = 2064531852 / (2 + 0 + 6 + 4 + 5 + 3 + 1 + 8 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (2064531857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28674018 + ... + 28674089.

It is an arithmetic number, because the mean of its divisors is an integer number (289926546).

Almost surely, 22064531852 is an apocalyptic number.

It is an amenable number.

2064531852 is an abundant number, since it is smaller than the sum of its proper divisors (3154145976).

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

2064531852 is a wasteful number, since it uses less digits than its factorization.

2064531852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57348117 (or 57348112 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 2064531852 is about 45437.1197590692. The cubic root of 2064531852 is about 1273.3287038442.

The spelling of 2064531852 in words is "two billion, sixty-four million, five hundred thirty-one thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 57348107 114696214 172044321 229392428 344088642 516132963 688177284 1032265926 2064531852