Search a number
-
+
3507813 = 33129919
BaseRepresentation
bin1101011000011001100101
320121012211000
431120121211
51344222223
6203103513
741546601
oct15303145
96535730
103507813
111a86521
121211b99
1395a83a
14674501
15494543
hex358665

3507813 has 8 divisors (see below), whose sum is σ = 5196800. Its totient is φ = 2338524.

The previous prime is 3507809. The next prime is 3507817. The reversal of 3507813 is 3187053.

3507813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3507809) and next prime (3507817).

It is not a de Polignac number, because 3507813 - 22 = 3507809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 129919 = 3507813 / (3 + 5 + 0 + 7 + 8 + 1 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3507817) 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, 64933 + ... + 64986.

It is an arithmetic number, because the mean of its divisors is an integer number (649600).

Almost surely, 23507813 is an apocalyptic number.

It is an amenable number.

3507813 is a deficient number, since it is larger than the sum of its proper divisors (1688987).

3507813 is a wasteful number, since it uses less digits than its factorization.

3507813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129928 (or 129922 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 3507813 is about 1872.9156414532. The cubic root of 3507813 is about 151.9423402030.

The spelling of 3507813 in words is "three million, five hundred seven thousand, eight hundred thirteen".

Divisors: 1 3 9 27 129919 389757 1169271 3507813