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3020312 = 232231693
BaseRepresentation
bin1011100001011000011000
312200110002102
423201120120
51233122222
6144422532
734446401
oct13413030
95613072
103020312
111783229
121017a48
13819989
145889a8
153e9d92
hex2e1618

3020312 has 16 divisors (see below), whose sum is σ = 5691840. Its totient is φ = 1502496.

The previous prime is 3020309. The next prime is 3020317. The reversal of 3020312 is 2130203.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3020293 and 3020302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938 + ... + 2630.

It is an arithmetic number, because the mean of its divisors is an integer number (355740).

Almost surely, 23020312 is an apocalyptic number.

It is an amenable number.

3020312 is a deficient number, since it is larger than the sum of its proper divisors (2671528).

3020312 is a wasteful number, since it uses less digits than its factorization.

3020312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922 (or 1918 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 3020312 is about 1737.9044852926. The cubic root of 3020312 is about 144.5497248679.

Adding to 3020312 its reverse (2130203), we get a palindrome (5150515).

The spelling of 3020312 in words is "three million, twenty thousand, three hundred twelve".

Divisors: 1 2 4 8 223 446 892 1693 1784 3386 6772 13544 377539 755078 1510156 3020312