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318085630 = 252329103463
BaseRepresentation
bin10010111101011…
…001100111111110
3211011112102110021
4102331121213332
51122412220010
651321402354
710611453232
oct2275314776
9734472407
10318085630
11153607495
128a6393ba
1350b90a65
14303605c2
151cdd28da
hex12f599fe

318085630 has 64 divisors (see below), whose sum is σ = 625397760. Its totient is φ = 116113536.

The previous prime is 318085619. The next prime is 318085643. The reversal of 318085630 is 36580813.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 686779 + ... + 687241.

It is an arithmetic number, because the mean of its divisors is an integer number (9771840).

Almost surely, 2318085630 is an apocalyptic number.

318085630 is a deficient number, since it is larger than the sum of its proper divisors (307312130).

318085630 is a wasteful number, since it uses less digits than its factorization.

318085630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 318085630 is about 17834.9552844968. The cubic root of 318085630 is about 682.6236802161.

The spelling of 318085630 in words is "three hundred eighteen million, eighty-five thousand, six hundred thirty".

Divisors: 1 2 5 10 23 29 46 58 103 115 145 206 230 290 463 515 667 926 1030 1334 2315 2369 2987 3335 4630 4738 5974 6670 10649 11845 13427 14935 21298 23690 26854 29870 47689 53245 67135 68701 95378 106490 134270 137402 238445 308821 343505 476890 617642 687010 1096847 1382981 1544105 2193694 2765962 3088210 5484235 6914905 10968470 13829810 31808563 63617126 159042815 318085630