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3816893 = 29131617
BaseRepresentation
bin1110100011110110111101
321011220210102
432203312331
51434120033
6213450445
744304653
oct16436675
97156712
103816893
112177763
121340a25
13a38422
14714dd3
15505de8
hex3a3dbd

3816893 has 4 divisors (see below), whose sum is σ = 3948540. Its totient is φ = 3685248.

The previous prime is 3816881. The next prime is 3816907. The reversal of 3816893 is 3986183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3986183 = 5375211.

It can be written as a sum of positive squares in 2 ways, for example, as 3003289 + 813604 = 1733^2 + 902^2 .

It is a cyclic number.

It is not a de Polignac number, because 3816893 - 24 = 3816877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3816803) 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, 65780 + ... + 65837.

It is an arithmetic number, because the mean of its divisors is an integer number (987135).

Almost surely, 23816893 is an apocalyptic number.

It is an amenable number.

3816893 is a deficient number, since it is larger than the sum of its proper divisors (131647).

3816893 is a wasteful number, since it uses less digits than its factorization.

3816893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131646.

The product of its digits is 31104, while the sum is 38.

The square root of 3816893 is about 1953.6870271361. The cubic root of 3816893 is about 156.2799733432.

The spelling of 3816893 in words is "three million, eight hundred sixteen thousand, eight hundred ninety-three".

Divisors: 1 29 131617 3816893