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468854780 = 225109449479
BaseRepresentation
bin11011111100100…
…010011111111100
31012200020021211212
4123330202133330
51430011323110
6114305103552
714422125362
oct3374423774
91180207755
10468854780
11220724599
12111027bb8
137619ba84
14463a9632
152b264e05
hex1bf227fc

468854780 has 48 divisors (see below), whose sum is σ = 997920000. Its totient is φ = 185020416.

The previous prime is 468854779. The next prime is 468854833. The reversal of 468854780 is 87458864.

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 15 ways as a sum of consecutive naturals, for example, 978581 + ... + 979059.

It is an arithmetic number, because the mean of its divisors is an integer number (20790000).

Almost surely, 2468854780 is an apocalyptic number.

It is an amenable number.

468854780 is an abundant number, since it is smaller than the sum of its proper divisors (529065220).

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

468854780 is a wasteful number, since it uses less digits than its factorization.

468854780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046 (or 1044 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 50.

The square root of 468854780 is about 21653.0547498500. The cubic root of 468854780 is about 776.8660023225.

The spelling of 468854780 in words is "four hundred sixty-eight million, eight hundred fifty-four thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 109 218 436 449 479 545 898 958 1090 1796 1916 2180 2245 2395 4490 4790 8980 9580 48941 52211 97882 104422 195764 208844 215071 244705 261055 430142 489410 522110 860284 978820 1044220 1075355 2150710 4301420 23442739 46885478 93770956 117213695 234427390 468854780