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3130172 = 223072549
BaseRepresentation
bin1011111100001100111100
312220000210022
423330030330
51300131142
6151031312
735414603
oct13741474
95800708
103130172
111848821
12106b538
13857996
145b6a3a
1541c6d2
hex2fc33c

3130172 has 12 divisors (see below), whose sum is σ = 5497800. Its totient is φ = 1559376.

The previous prime is 3130147. The next prime is 3130187. The reversal of 3130172 is 2710313.

It is a self number, because there is not a number n which added to its sum of digits gives 3130172.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 47 + ... + 2502.

It is an arithmetic number, because the mean of its divisors is an integer number (458150).

Almost surely, 23130172 is an apocalyptic number.

It is an amenable number.

3130172 is a deficient number, since it is larger than the sum of its proper divisors (2367628).

3130172 is a wasteful number, since it uses less digits than its factorization.

3130172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860 (or 2858 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 3130172 is about 1769.2292107017. The cubic root of 3130172 is about 146.2814985604.

Adding to 3130172 its reverse (2710313), we get a palindrome (5840485).

It can be divided in two parts, 31 and 30172, that added together give a palindrome (30203).

The spelling of 3130172 in words is "three million, one hundred thirty thousand, one hundred seventy-two".

Divisors: 1 2 4 307 614 1228 2549 5098 10196 782543 1565086 3130172