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312441030 = 233511105199
BaseRepresentation
bin10010100111110…
…111100011000110
3210202220122112000
4102213313203012
51114441103110
651000410130
710512463536
oct2247674306
9722818460
10312441030
11150401630
1288776946
134c965765
142d6d14c6
151c66a1c0
hex129f78c6

312441030 has 64 divisors (see below), whose sum is σ = 908928000. Its totient is φ = 75742560.

The previous prime is 312441023. The next prime is 312441043. The reversal of 312441030 is 30144213.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 312440994 and 312441012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49630 + ... + 55569.

It is an arithmetic number, because the mean of its divisors is an integer number (14202000).

Almost surely, 2312441030 is an apocalyptic number.

312441030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312441030 is an abundant number, since it is smaller than the sum of its proper divisors (596486970).

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

312441030 is a wasteful number, since it uses less digits than its factorization.

312441030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105226 (or 105220 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 312441030 is about 17676.0015274948. The cubic root of 312441030 is about 678.5617163417.

Adding to 312441030 its reverse (30144213), we get a palindrome (342585243).

The spelling of 312441030 in words is "three hundred twelve million, four hundred forty-one thousand, thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 90 99 110 135 165 198 270 297 330 495 594 990 1485 2970 105199 210398 315597 525995 631194 946791 1051990 1157189 1577985 1893582 2314378 2840373 3155970 3471567 4733955 5680746 5785945 6943134 9467910 10414701 11571890 14201865 17357835 20829402 28403730 31244103 34715670 52073505 62488206 104147010 156220515 312441030