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3806214385 = 56171233781
BaseRepresentation
bin1110001011011110…
…0011100011110001
3100211021001201120011
43202313203203301
530243342330020
61425404214521
7163215200641
oct34267434361
910737051504
103806214385
111683566226
128a283a441
13488731b7c
1428170c521
1517424735a
hexe2de38f1

3806214385 has 8 divisors (see below), whose sum is σ = 4574863656. Its totient is φ = 3040033920.

The previous prime is 3806214353. The next prime is 3806214389. The reversal of 3806214385 is 5834126083.

It can be written as a sum of positive squares in 4 ways, for example, as 498584241 + 3307630144 = 22329^2 + 57512^2 .

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

It is not a de Polignac number, because 3806214385 - 25 = 3806214353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3806214389) 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, 613806 + ... + 619975.

It is an arithmetic number, because the mean of its divisors is an integer number (571857957).

Almost surely, 23806214385 is an apocalyptic number.

It is an amenable number.

3806214385 is a deficient number, since it is larger than the sum of its proper divisors (768649271).

3806214385 is a wasteful number, since it uses less digits than its factorization.

3806214385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234403.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 3806214385 is about 61694.5247570641. The cubic root of 3806214385 is about 1561.3409444624.

The spelling of 3806214385 in words is "three billion, eight hundred six million, two hundred fourteen thousand, three hundred eighty-five".

Divisors: 1 5 617 3085 1233781 6168905 761242877 3806214385