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3808369 = 7153639
BaseRepresentation
bin1110100001110001110001
321011111002201
432201301301
51433331434
6213343201
744241055
oct16416161
97144081
103808369
112171314
121337b01
13a34596
14711c65
15503614
hex3a1c71

3808369 has 4 divisors (see below), whose sum is σ = 3862080. Its totient is φ = 3754660.

The previous prime is 3808333. The next prime is 3808397. The reversal of 3808369 is 9638083.

It is a happy number.

3808369 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3808369 - 27 = 3808241 is a prime.

It is a super-2 number, since 2×38083692 = 29007348880322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3800369) 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, 26749 + ... + 26890.

It is an arithmetic number, because the mean of its divisors is an integer number (965520).

Almost surely, 23808369 is an apocalyptic number.

It is an amenable number.

3808369 is a deficient number, since it is larger than the sum of its proper divisors (53711).

3808369 is an equidigital number, since it uses as much as digits as its factorization.

3808369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53710.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 3808369 is about 1951.5042915659. The cubic root of 3808369 is about 156.1635502581.

The spelling of 3808369 in words is "three million, eight hundred eight thousand, three hundred sixty-nine".

Divisors: 1 71 53639 3808369