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3678769 = 6754907
BaseRepresentation
bin1110000010001000110001
320220220022201
432002020301
51420210034
6210503201
743161163
oct16021061
96826281
103678769
112092a06
121294b01
139ba5b3
146ba933
154ca014
hex382231

3678769 has 4 divisors (see below), whose sum is σ = 3733744. Its totient is φ = 3623796.

The previous prime is 3678751. The next prime is 3678791. The reversal of 3678769 is 9678763.

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 3678769 - 211 = 3676721 is a prime.

It is a super-2 number, since 2×36787692 = 27066682710722, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3678869) 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, 27387 + ... + 27520.

It is an arithmetic number, because the mean of its divisors is an integer number (933436).

Almost surely, 23678769 is an apocalyptic number.

It is an amenable number.

3678769 is a deficient number, since it is larger than the sum of its proper divisors (54975).

3678769 is an equidigital number, since it uses as much as digits as its factorization.

3678769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54974.

The product of its digits is 381024, while the sum is 46.

The square root of 3678769 is about 1918.0117309339. The cubic root of 3678769 is about 154.3716357509.

It can be divided in two parts, 36787 and 69, that added together give a triangular number (36856 = T271).

The spelling of 3678769 in words is "three million, six hundred seventy-eight thousand, seven hundred sixty-nine".

Divisors: 1 67 54907 3678769