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3894285739 = 4194982579
BaseRepresentation
bin1110100000011110…
…0001010110101011
3101001101210012202011
43220013201112223
530433414120424
61442232020351
7165334611511
oct35007412653
911041705664
103894285739
11171924a573
129082316b7
134a0a59cb6
1428d2b64b1
1517bd42694
hexe81e15ab

3894285739 has 4 divisors (see below), whose sum is σ = 3989268360. Its totient is φ = 3799303120.

The previous prime is 3894285673. The next prime is 3894285743. The reversal of 3894285739 is 9375824983.

3894285739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3894285739 is a prime.

It is a super-2 number, since 2×38942857392 = 30330922833957552242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3894285799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47491249 + ... + 47491330.

It is an arithmetic number, because the mean of its divisors is an integer number (997317090).

Almost surely, 23894285739 is an apocalyptic number.

3894285739 is a deficient number, since it is larger than the sum of its proper divisors (94982621).

3894285739 is an equidigital number, since it uses as much as digits as its factorization.

3894285739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94982620.

The product of its digits is 13063680, while the sum is 58.

The square root of 3894285739 is about 62404.2125100542. The cubic root of 3894285739 is about 1573.2917720646.

The spelling of 3894285739 in words is "three billion, eight hundred ninety-four million, two hundred eighty-five thousand, seven hundred thirty-nine".

Divisors: 1 41 94982579 3894285739