Search a number
-
+
468821730 = 235131202107
BaseRepresentation
bin11011111100011…
…010011011100010
31012200011121111210
4123330122123202
51430004243410
6114304250550
714421630126
oct3374323342
91180147453
10468821730
11220701783
12111010a56
1376189a10
144639b586
152b25a220
hex1bf1a6e2

468821730 has 32 divisors (see below), whose sum is σ = 1211724864. Its totient is φ = 115402176.

The previous prime is 468821707. The next prime is 468821737. The reversal of 468821730 is 37128864.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (468821737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600664 + ... + 601443.

It is an arithmetic number, because the mean of its divisors is an integer number (37866402).

Almost surely, 2468821730 is an apocalyptic number.

468821730 is an abundant number, since it is smaller than the sum of its proper divisors (742903134).

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

468821730 is a wasteful number, since it uses less digits than its factorization.

468821730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202130.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 468821730 is about 21652.2915646358. The cubic root of 468821730 is about 776.8477478964.

The spelling of 468821730 in words is "four hundred sixty-eight million, eight hundred twenty-one thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 1202107 2404214 3606321 6010535 7212642 12021070 15627391 18031605 31254782 36063210 46882173 78136955 93764346 156273910 234410865 468821730