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3868313 = 37104549
BaseRepresentation
bin1110110000011010011001
321021112022212
432300122121
51442241223
6214524505
744610611
oct16603231
97245285
103868313
112202359
121366735
13a55957
14729a41
15516278
hex3b0699

3868313 has 4 divisors (see below), whose sum is σ = 3972900. Its totient is φ = 3763728.

The previous prime is 3868297. The next prime is 3868321. The reversal of 3868313 is 3138683.

It is a happy number.

3868313 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, and also an emirpimes, since its reverse is a distinct semiprime: 3138683 = 8213823.

It can be written as a sum of positive squares in 2 ways, for example, as 2550409 + 1317904 = 1597^2 + 1148^2 .

It is a cyclic number.

It is not a de Polignac number, because 3868313 - 24 = 3868297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3868313.

It is not an unprimeable number, because it can be changed into a prime (3868013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52238 + ... + 52311.

It is an arithmetic number, because the mean of its divisors is an integer number (993225).

Almost surely, 23868313 is an apocalyptic number.

It is an amenable number.

3868313 is a deficient number, since it is larger than the sum of its proper divisors (104587).

3868313 is a wasteful number, since it uses less digits than its factorization.

3868313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104586.

The product of its digits is 10368, while the sum is 32.

The square root of 3868313 is about 1966.8027354059. The cubic root of 3868313 is about 156.9786304370.

The spelling of 3868313 in words is "three million, eight hundred sixty-eight thousand, three hundred thirteen".

Divisors: 1 37 104549 3868313