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3681769 = 71340459
BaseRepresentation
bin1110000010110111101001
320221001102211
432002313221
51420304034
6210525121
743203010
oct16026751
96831384
103681769
112095193
1212967a1
139bba80
146bba77
154cad64
hex382de9

3681769 has 8 divisors (see below), whose sum is σ = 4531520. Its totient is φ = 2912976.

The previous prime is 3681767. The next prime is 3681781. The reversal of 3681769 is 9671863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3681769 - 21 = 3681767 is a prime.

It is a super-2 number, since 2×36817692 = 27110845938722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3681761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20139 + ... + 20320.

It is an arithmetic number, because the mean of its divisors is an integer number (566440).

Almost surely, 23681769 is an apocalyptic number.

It is an amenable number.

3681769 is a deficient number, since it is larger than the sum of its proper divisors (849751).

3681769 is a wasteful number, since it uses less digits than its factorization.

3681769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40479.

The product of its digits is 54432, while the sum is 40.

The square root of 3681769 is about 1918.7936314257. The cubic root of 3681769 is about 154.4135872004.

The spelling of 3681769 in words is "three million, six hundred eighty-one thousand, seven hundred sixty-nine".

Divisors: 1 7 13 91 40459 283213 525967 3681769