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468681915 = 351353101449
BaseRepresentation
bin11011111011111…
…000010010111011
31012122220111201110
4123323320102323
51424440310130
6114301251403
714420505402
oct3373702273
91178814643
10468681915
11220616729
12110b63b63
137613b1a0
1446362639
152b22dab0
hex1bef84bb

468681915 has 64 divisors (see below), whose sum is σ = 832809600. Its totient is φ = 223641600.

The previous prime is 468681881. The next prime is 468681919. The reversal of 468681915 is 519186864.

It is a de Polignac number, because none of the positive numbers 2k-468681915 is a prime.

It is not an unprimeable number, because it can be changed into a prime (468681919) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1043611 + ... + 1044059.

It is an arithmetic number, because the mean of its divisors is an integer number (13012650).

Almost surely, 2468681915 is an apocalyptic number.

468681915 is a deficient number, since it is larger than the sum of its proper divisors (364127685).

468681915 is a wasteful number, since it uses less digits than its factorization.

468681915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624.

The product of its digits is 414720, while the sum is 48.

The square root of 468681915 is about 21649.0626817883. The cubic root of 468681915 is about 776.7705147251.

The spelling of 468681915 in words is "four hundred sixty-eight million, six hundred eighty-one thousand, nine hundred fifteen".

Divisors: 1 3 5 13 15 39 53 65 101 159 195 265 303 449 505 689 795 1313 1347 1515 2067 2245 3445 3939 5353 5837 6565 6735 10335 16059 17511 19695 23797 26765 29185 45349 69589 71391 80295 87555 118985 136047 208767 226745 309361 347945 356955 589537 680235 928083 1043835 1546805 1768611 2403497 2947685 4640415 7210491 8843055 12017485 31245461 36052455 93736383 156227305 468681915