Search a number
-
+
3012270 = 235314179
BaseRepresentation
bin1011011111011010101110
312200001001120
423133122232
51232343040
6144321410
734414062
oct13373256
95601046
103012270
111778188
121013266
13816111
14585aa2
153e77d0
hex2df6ae

3012270 has 64 divisors (see below), whose sum is σ = 7741440. Its totient is φ = 748800.

The previous prime is 3012227. The next prime is 3012271. The reversal of 3012270 is 722103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38091 + ... + 38169.

It is an arithmetic number, because the mean of its divisors is an integer number (120960).

Almost surely, 23012270 is an apocalyptic number.

3012270 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3012270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3870720).

3012270 is an abundant number, since it is smaller than the sum of its proper divisors (4729170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3012270 is a wasteful number, since it uses less digits than its factorization.

3012270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 3012270 is about 1735.5892371180. The cubic root of 3012270 is about 144.4213162619.

Adding to 3012270 its sum of digits (15), we get a triangular number (3012285 = T2454).

Adding to 3012270 its reverse (722103), we get a palindrome (3734373).

The spelling of 3012270 in words is "three million, twelve thousand, two hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 31 41 62 79 82 93 123 155 158 186 205 237 246 310 395 410 465 474 615 790 930 1185 1230 1271 2370 2449 2542 3239 3813 4898 6355 6478 7347 7626 9717 12245 12710 14694 16195 19065 19434 24490 32390 36735 38130 48585 73470 97170 100409 200818 301227 502045 602454 1004090 1506135 3012270