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4283949385 = 54673183349
BaseRepresentation
bin1111111101010111…
…1110000101001001
3102001120000011210001
43333111332011021
532233142340020
61545031523001
7211105653232
oct37725760511
912046004701
104283949385
1118a91a5641
129b6829461
135336bc8c1
142c8d4a089
151a116350a
hexff57e149

4283949385 has 8 divisors (see below), whose sum is σ = 5141867400. Its totient is φ = 3426407424.

The previous prime is 4283949379. The next prime is 4283949389. The reversal of 4283949385 is 5839493824.

It can be written as a sum of positive squares in 4 ways, for example, as 1351077049 + 2932872336 = 36757^2 + 54156^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4283949385 - 215 = 4283916617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4283949389) 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, 68310 + ... + 115039.

It is an arithmetic number, because the mean of its divisors is an integer number (642733425).

Almost surely, 24283949385 is an apocalyptic number.

It is an amenable number.

4283949385 is a deficient number, since it is larger than the sum of its proper divisors (857918015).

4283949385 is a wasteful number, since it uses less digits than its factorization.

4283949385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188027.

The product of its digits is 7464960, while the sum is 55.

The square root of 4283949385 is about 65451.8860308853. The cubic root of 4283949385 is about 1624.1075190741.

The spelling of 4283949385 in words is "four billion, two hundred eighty-three million, nine hundred forty-nine thousand, three hundred eighty-five".

Divisors: 1 5 4673 23365 183349 916745 856789877 4283949385