Search a number
-
+
3130415 = 523163167
BaseRepresentation
bin1011111100010000101111
312220001010022
423330100233
51300133130
6151032355
735415401
oct13742057
95801108
103130415
111848a22
12106b6bb
13857b22
145b6b71
1541c7e5
hex2fc42f

3130415 has 16 divisors (see below), whose sum is σ = 3967488. Its totient is φ = 2366496.

The previous prime is 3130409. The next prime is 3130417. The reversal of 3130415 is 5140313.

It is a cyclic number.

It is not a de Polignac number, because 3130415 - 24 = 3130399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3130393 and 3130402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3130417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18662 + ... + 18828.

It is an arithmetic number, because the mean of its divisors is an integer number (247968).

Almost surely, 23130415 is an apocalyptic number.

3130415 is a deficient number, since it is larger than the sum of its proper divisors (837073).

3130415 is a wasteful number, since it uses less digits than its factorization.

3130415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 3130415 is about 1769.2978833424. The cubic root of 3130415 is about 146.2852838140.

Adding to 3130415 its reverse (5140313), we get a palindrome (8270728).

The spelling of 3130415 in words is "three million, one hundred thirty thousand, four hundred fifteen".

Divisors: 1 5 23 115 163 167 815 835 3749 3841 18745 19205 27221 136105 626083 3130415