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3814681 = 131741421
BaseRepresentation
bin1110100011010100011001
321011210202111
432203110121
51434032211
6213432321
744265343
oct16432431
97153674
103814681
112176032
12133b6a1
13a37410
14714293
15505421
hex3a3519

3814681 has 16 divisors (see below), whose sum is σ = 4466448. Its totient is φ = 3225600.

The previous prime is 3814667. The next prime is 3814691. The reversal of 3814681 is 1864183.

3814681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1537600 + 2277081 = 1240^2 + 1509^2 .

It is a cyclic number.

It is not a de Polignac number, because 3814681 - 27 = 3814553 is a prime.

It is a super-2 number, since 2×38146812 = 29103582263522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3814621) 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 15 ways as a sum of consecutive naturals, for example, 8851 + ... + 9271.

It is an arithmetic number, because the mean of its divisors is an integer number (279153).

Almost surely, 23814681 is an apocalyptic number.

It is an amenable number.

3814681 is a deficient number, since it is larger than the sum of its proper divisors (651767).

3814681 is a wasteful number, since it uses less digits than its factorization.

3814681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its digits is 4608, while the sum is 31.

The square root of 3814681 is about 1953.1208359956. The cubic root of 3814681 is about 156.2497779197.

The spelling of 3814681 in words is "three million, eight hundred fourteen thousand, six hundred eighty-one".

Divisors: 1 13 17 41 221 421 533 697 5473 7157 9061 17261 93041 224393 293437 3814681