Search a number
-
+
3685913 = 71147869
BaseRepresentation
bin1110000011111000011001
320221021010022
432003320121
51420422123
6211000225
743221050
oct16037031
96837108
103685913
112098310
121299075
139c091a
146bd397
154cc1c8
hex383e19

3685913 has 8 divisors (see below), whose sum is σ = 4595520. Its totient is φ = 2872080.

The previous prime is 3685883. The next prime is 3685949. The reversal of 3685913 is 3195863.

3685913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3685913 - 26 = 3685849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3685963) 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 7 ways as a sum of consecutive naturals, for example, 23858 + ... + 24011.

It is an arithmetic number, because the mean of its divisors is an integer number (574440).

Almost surely, 23685913 is an apocalyptic number.

It is an amenable number.

3685913 is a deficient number, since it is larger than the sum of its proper divisors (909607).

3685913 is a wasteful number, since it uses less digits than its factorization.

3685913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47887.

The product of its digits is 19440, while the sum is 35.

The square root of 3685913 is about 1919.8731728945. The cubic root of 3685913 is about 154.4714986718.

The spelling of 3685913 in words is "three million, six hundred eighty-five thousand, nine hundred thirteen".

Divisors: 1 7 11 77 47869 335083 526559 3685913