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312424530 = 23511946741
BaseRepresentation
bin10010100111110…
…011100001010010
3210202212210212220
4102213303201102
51114440041110
651000201510
710512364455
oct2247634122
9722783786
10312424530
111503a01a0
1288769296
134c95b0b2
142d6c949c
151c665370
hex129f3852

312424530 has 32 divisors (see below), whose sum is σ = 817985088. Its totient is φ = 75739200.

The previous prime is 312424513. The next prime is 312424577. The reversal of 312424530 is 35424213.

It is a self number, because there is not a number n which added to its sum of digits gives 312424530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473041 + ... + 473700.

It is an arithmetic number, because the mean of its divisors is an integer number (25562034).

Almost surely, 2312424530 is an apocalyptic number.

312424530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312424530 is an abundant number, since it is smaller than the sum of its proper divisors (505560558).

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

312424530 is a wasteful number, since it uses less digits than its factorization.

312424530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946762.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 312424530 is about 17675.5347868176. The cubic root of 312424530 is about 678.5497711911.

Adding to 312424530 its reverse (35424213), we get a palindrome (347848743).

The spelling of 312424530 in words is "three hundred twelve million, four hundred twenty-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 946741 1893482 2840223 4733705 5680446 9467410 10414151 14201115 20828302 28402230 31242453 52070755 62484906 104141510 156212265 312424530